Thursday, December 26, 2013

What is Methyl red voges proskauer medium X8 MR-VP?


Methyl red, is crystallization lustrous purple or red brown powder. Is one of the commonly used ph indicator, concentration of 0.1% ethanol solution, often pH4.4 (red) to 6.2 (yellow). Also used in protozoa vital staining.
Protozoa vital staining; PH indicator, pH color range of 4.4 ~ 6.2 (red) (yellow); Titration of ammonia, the weak organic base and alkaloids, but not for organic acids except oxalate and picric acid; Can be mixed with bromocresol green and methylene blue indicator to shorten color domain and to improve the sharpness of the color change, Precipitation titration indicator adsorption, such as using thorium nitrate titration fluorine ion; Verification of free chlorine, chlorite and other oxidant;
Methyl red is one of the commonly used ph indicator, concentration of 0.1% ethanol solution, often pH4.4 (red) to 6.2 (yellow), also used in protozoa vital staining.



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From:Natural herbal extracts

Monday, December 23, 2013

What is Calcium Carbonate?


Calcium carbonate is a kind of inorganic compounds, commonly known as grey stone, limestone, calcite, limestone, marble, is a kind of compounds, chemical formula CaCO3, show neuter, basically does not dissolve in water, soluble in acid. It is a common substances on earth, exists in aragonite and calcite, chalk, limestone, marble, travertine, etc. Within the rock. The main components of the bone or shell as well as animals. Calcium carbonate is an important building material, industrial USES a wide range. Calcium carbonate is made up of calcium and carbonate ions generated, so is both calcium salt and carbonate. 

More about: Calcium Carbonate supplier
From:metal materials

Thursday, December 19, 2013

The nefiracetam have what use



Nefiracetam is a nootropic antidementia biologic of the racetam family.Nefiracetam's cytoprotective accomplishments are advised by accessory of GABAergic, cholinergic, and monoaminergic neuronal systems. It has been apparent to finer amusement aloofness and advance action in post-stroke patients. It has been apparent to display antiamnesia furnishings for the Alzheimer's blazon and cerebrovascular blazon of dementia. In addition, it has aswell been apparent to accept antiamnesia furnishings adjoin a advanced array of anamnesis impairing substances, including: ethanol, chlorodiazepoxide (Librium), scopolamine, bicuculline, picrotoxin, and cycloheximide.

Monday, December 16, 2013

Information about Cis-cyclohexanedicarboximide


CAS no. : 7506-66-3
English name: 1, 2 - Cyclohexanedicarboximide
English synonyms: CIS - HEXAHYDROPHTHALIMIDE; 1 alpha, 2 alpha Cyclohexanedicarbimide; 1, 2 - Cyclohexanedicarboximide; Cis - cyclohexanedicarboximide; (z) - 2 - cyclohexanedicarboximide; CIS - 2-1 CYCLOHEXANEDICARBOXIMIDE; (1 r, 2 s) - 1, 2 - Cyclohexanedicarbimide; Hexahydro - 1 h - isoindole - 1, 3 (2 h) - dione. Cis - hexahydro - 1 h - isoindole - 1, 3 (2 h) - dione. (3 a alpha, 7 a alpha) - Hexahydroisoindoline - 1, 3 - dione
Chinese name: cis cyclohexanol - 1, 2-2 formyl amine
English synonyms: along the ring adipic formyl imine; Cis cyclohexanol - 1, 2-2 formyl imine; Shun - hexanaphthene - 1, 2-2 formyl imine; Shun - cyclohexyl - 1, 2-2 formyl amine
CBNumber: CB3234369
Molecular formula: C8H11NO2
Molecular weight: 153.18
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From:Natural herbal extracts

Thursday, December 12, 2013

The application of Hyodeoxycholic acid



Hyodeoxycholic acid, aswell accepted as 3α,6α-Dihydroxy-5β-cholan-24-oic acerbic or HDCA, is a accessory acerbity acid, one of the metabolic byproducts of abdominal bacteria. It differs from deoxycholic acerbic in that the 6α-hydroxyl is in the 12 position in the former. The 6α-hydroxyl accumulation makes HDCA a hydrophilic acid, a acreage it shares with hyocholic acid. HDCA is present in beastly breed in altered proportions. It is the capital acerbic basic of hog bile, and for this acumen it was acclimated industrially as forerunner for steroid amalgam afore absolute amalgam became practical.
It was accepted back 1939 that HDCA could be acclimated to amalgamate progesterone.A decade later, an assay of the agreement of hog acerbity bent that HDCA accounted for about 40% of its acerbic contents.In the 1950s, defective admission to vegetal precursors of steroids, like diosgenin, the East German aggregation Jenapharm acclimated hyodeoxycholic acerbic extracted from hog acerbity as the sole forerunner for steroid synthesis.
In the 1980s, hyodeoxycholic acerbic was advised for its ability to anticipate cholesterol-induced gallstones in animals fed with a lithogenic diet.Another beastly abstraction bent that articulate administering of HDCA leads to a abatement in LDL-cholesterol concentration, a able dispatch of hepatic cholesterol biosynthesis and an boundless accident of cholesterol in feces. Unlike ursodeoxycholic acid, which is an accustomed biologic for the analysis of gallstones, HDCA is not marketed for any medical condition.

Monday, December 9, 2013

The purpose of the Silicon Metal 3303



Silicon metal, also known as crystalline silicon or industrial silicon, its main use is as an iron base alloy additives. Silicon metal is made from quartz and coke in electric heating furnace smelting products, the main ingredient of silicon content in 98% (99.99% in recent years, the Si content of also included in the silicon metal), the rest of the impurities of iron, aluminum, calcium, etc.
Into silicon used for smelting ferrosilicon alloy as alloying elements in steel industry, as a reducing agent in many kinds of metal smelting. Silicon or aluminum alloy good group in yuan, the vast majority of casting aluminium alloy containing silicon. Silicon is a raw material for electronic industry ultrapure silicon ultra pure monocrystalline silicon semiconductor electron device has small volume, light weight, good reliability and long service life, etc. Mixed with a certain number of trace impurities of high-power transistor, rectifier and solar cells, and is better than made of single crystal germanium. Amorphous silicon solar cell research progress quickly, conversion rate reached more than 8%. Silicon molybdenum rods highest use electric heating element temperature can reach 1700 ℃, has good resistance to aging and oxidation resistance. Chemical hydrogen silicon with silicon production, can make hundreds of silicone lubricants and waterproofing compound, etc. In addition, the silicon carbide can be abrasive, high purity silica quartz tube is made of high purity metal smelting and lighting lamps and lanterns is the important material. Paper in the eighty s - silicon people call for the "paper" in the eighty s. This is because the paper can only record information, and silicon can not only record information, also can carry on the processing of information processing in order to obtain new information. The world's first electronic computer made in 1945, with 18000 vacuum tubes, 70000 70000 resistor, capacitor, the whole machine weighed 30 tons, covers an area of 170 square meters, equivalent to 10 house size. Today the electronic computer, due to advances in technology and the improvement of the material, on a fingernail silicon wafers, can accommodate tens of thousands of transistors; And there are input, output, a series of functions such as computing, storage, and control information. Porous silicon calcium thermal insulation material microporous calcium silicon thermal insulation material is a kind of excellent thermal insulation material. It has small heat capacity, high mechanical strength, low thermal conductivity, noncombustible, non-toxic, tasteless, can be cut, transportation is convenient wait for a characteristic, can be widely used in metallurgy, electric power, chemical industry, ship, etc all kinds of thermal equipment and pipe. After the test, the energy saving efficiency is better than that of asbestos and cement, cement perlite and vermiculite insulation materials. Special silicon calcium materials can be used as a catalyst carrier, such as oil refining, automobile exhaust purification is widely used in many aspects.


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From:metal materials

Friday, December 6, 2013

What is the utility Chloral hydrate?




Efficacy function and indication] the Lord cure: the Chloral hydrate treatment of insomnia, is applicable to patients with difficulty falling asleep. As hypnotics, short-term application effectively, taking more than two consecutive weeks is invalid. Before anesthesia and surgery and sleep eeg examination before the drug use, can be calm and relieve anxiety, making the corresponding process is safe and smooth. Anticonvulsants, for the treatment of status epilepticus, can also be used for infantile convulsion caused by high fever, tetanus and eclampsia.
Pharmacological effects: this product is a hypnotic, anti-seizure medication. Hypnotic dose can be induced to sleep within 30 minutes, mild hypnosis, not shorten the REMS sleep time, no obvious after the last use. Similar hypnotic mechanism may be related to the barbiturates, cause the approximate physiologic sleep, no obvious after work. Larger doses has anticonvulsive effect, can be used for infantile convulsion caused by high fever, tetanus and eclampsia. Large doses can cause coma and anesthesia. Inhibition of medulla oblongata breathing and blood vessels sports center, leading to death. As a basic anesthesia adjuvant, is now rarely used.
Drug interactions: 1 the CNS depressants, central inhibitory antihypertensive drugs (such as clonidine, magnesium sulfate, monoamine oxidase inhibiting drugs, the tricyclic antidepressants) and share in this product can make the central inhibitory effects of chloral hydrate is more obvious.


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From:pharmaceutical chemicals

Monday, December 2, 2013

What is indole-3-carbinol?



Indole-3-carbinol (C9H9NO) is produced by the breakdown of the glucosinolate glucobrassicin, which can be begin at almost top levels in cruciferous vegetables such as broccoli, cabbage, cauliflower, brussels sprouts, collard greens and kale. I3C is aswell accessible in a comestible supplement. Indole-3-carbinol is the accountable of on-going Biomedical analysis into its accessible anticarcinogenic,antioxidant, and anti-atherogenic effects. Analysis on indole-3-carbinol has been conducted primarily application class animals and able cells. Bound and ambiguous animal studies accept been reported. A contempo analysis of the biomedical analysis abstract begin that "evidence of an changed affiliation amid cruciferous vegetable assimilation and breast or prostate blight in bodies is bound and inconsistent" and "larger randomized controlled trials are needed" to actuate if added indole-3-carbinol has bloom benefits.

Friday, November 22, 2013

What is Estratetraenol?




Estratetraenol, aswell accepted as estra-1,3,5(10),16-tetraen-3-ol, is a actinic admixture produced by women that has been declared as accepting pheromone-like activities in primates, including humans. It is acquired of the sex hormone estradiol, an estrogen, yet has no accepted estrogenic effects.

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From:Natural herbal extracts

Tuesday, November 19, 2013

What is 7-hydroxy-mitragynine?





7-Hydroxymitragynine (7-hydroxy-mitragynine) is a terpenoid indole alkaloid in the plant Mitragyna speciosa, commonly known as Kratom. It has opioid agonistic activity. "The potency, calculated using pD (2) values, was 30-fold higher than that of mitragynine and 17-fold higher than that of morphine, respectively. Antagonism of naloxone on concentration-response curves for 7-hydroxymitragynine confirmed its opioid effect. These results suggest that the opioid effect of M. speciosa is mostly based on the activity of 7-hydroxymitragynine."
7-Hydroxymitragynine is orally active in animals as an analgesic,and produces normal opioid side effects including constipation, though significantly less than morphine, development of tolerance and withdrawal syndrome upon abstinence.The O-acetyl ester (Acetoxy), 7-acetoxymitragynine has also been reported and found to be an active μ-opioid agonist.


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From:Natural herbal extracts

Friday, November 8, 2013

Information about Cascara Sagrada Bark extract



Description: 1. Cascara skin for flat or rolled into the groove dry bark, 2-3 mm thick. Appearance - colored, rough, there are vertical and horizontal crack and small cross long lenticels. Skin more smooth. Remove the cork, surface with reddish brown. Inner surface deep brown with white vertical texture (fiber bundle).
Functional indications: qingrejiedu; Cold blood; Insecticidal. Attending the wind hot itching; Scabies. Eczema; Abdominal pain; Injuries; Renal capsule.
Usage and dosage: for external use: right amount, some samples dao fu; Or at the end of the study apply. Fried washed. Internal: decoct soup, 10 to 30 g.

Monday, November 4, 2013

What is Iridium powder?





Iridium, atomic number 77, the atomic weight of 192.22, the element's name comes from the Latin, original intention is "rainbow". In 1803, a British chemist tennant, French chemist's scottie dissolved in aqua regia coarse platinum, from the residue in the bottom of the vessel discovered two new elements in black powder - osmium and iridium. Iridium in content in the earth's crust is one over ten million, often scattered with platinum group elements in alluvial deposits and placer deposit in all kinds of ores. Nature exists two isotopes: iridium 191, iridium 193.
Chemical properties of iridium is stable. Is the corrosion resistance of the metal, iridium for high chemical stability, acid insoluble in acid, only the spongy iridium will slowly dissolved in aqua regia, hot if it is a dense state of iridium, even boiling aqua regia, nor corrode iridium; Slightly by molten sodium hydroxide, potassium hydroxide and sodium dichromate. Generally the etchant can corrosion iridium. Has a tendency to form the coordination compounds have strong. Main valence + 2, + 4, + 6.


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From:Chemical Reagent

Friday, November 1, 2013

Information about CA195 ELISA Kit



To authorize added the analytic acceptation of the CA-195 bike immunoradiometric appraisal in gastro-intestinal malignancies, the sera of a absolute of 222 capacity accept been analysed and compared with assays of the "classical gastrointestinal tumour markers", CA19-9 and carcinoembryonic antigen (CEA). CA-195 elevations aloft accustomed (greater than 10 U/ml) were acclaimed in 51/72 (70.8%) colorectal, 15/15 (100%) pancreatic, and in 6/12 (50%) belly blight patients. Admitting CA19-9 was added (greater than 37 U/ml) in 65%, 93%, and 42% of cases, alone 54% colorectal, 45% pancreatic, and 42% belly blight patients had pathologically animated serum CEA levels (greater than 5 ng/ml). No aberrant access of both CA-195 and CA19-9 was begin in advantageous volunteers, admitting 3/20 (smoking) individuals had CEA levels hardly aloft normal. With a 29% false-positive amount acclaimed a part of 103 patients with amiable gastrointestinal disorders, the specificity of CA-195 was above to that of CA19-9 (58%) and commensurable with that of CEA (31%). A cogent alternation amid CA-195 levels and the clinical/pathological date of ache was acclaimed in colorectal (P beneath than 0.01) and pancreatic blight patients (P beneath than 0.007). Preliminary after-effects of consecutive abstracts of CA-195 in colorectal blight advance that this new brand protein, which has no cross-reactivity with CEA, may be advantageous as a non-invasive analysis for postoperative surveillance of patients to ascertain ache recurrence, and serve to accompaniment (though absolutely not replace) accepted analytic abstracts of acknowledgment to chemotherapy.

Monday, October 21, 2013

Potassium Formate related purposes





Potassium formate is the Potassium salt of formic acid. It is an intermediate in the formate potash process for the production of Potassium. Potassium formate has also had been studied as a potential environmentally friendly deicing salt for use on roads.
Product use
Is mainly used for dispensing water cut oil well liquid filling, abroad in the late ninety s began to apply potassium formate drilling completion fluid, especially the application in the high density drilling completion fluid system, has obtained the good effect. Prepared with potassium formate drilling fluid system, has the strong inhibition, good compatibility, environment protection and reservoir protection outstanding advantages. Field application results showed that the potassium formate inhibiting clay water to tumble.


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From:metal materials

Monday, October 14, 2013

Sodium Citrate role and use of





Sodium citrate is an excellent chelating agent chemically / complexing agent, sodium citrate on the industrial application is the use of this feature.
In the food and beverage industry as a flavoring agent, stabilizer; in the pharmaceutical industry as an anti-clotting agent, expectorant drugs and diuretics; in the detergent industry, can replace sodium tripolyphosphate as a non-toxic detergent additives; also used for brewing, injection, photography and metal plating.
Lemon juice contains a lot of citric acid and calcium binding is a soluble complex, calcium ions can ease the role to promote blood clotting, prevention and treatment of hypertension and myocardial infarction. So you can play anti-clotting effect.
Taking fresh blood in the clinical, the need to add some sterilized sodium citrate or sodium oxalate, can play a role in preventing blood coagulation, the sodium oxalate and sodium citrate anticoagulant is known.
Store in a dark, sealed, dry and cool place.


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From:metal materials

Wednesday, October 9, 2013

Yogurt starter (strains), yeast, additives method of making




Fresh milk, yogurt is fermented by yoghurt culture (Yogurt starter (strains), yeast, additives) made ​​dairy products. Yogurt fermentation agent is used in making yogurt specific microbial culture material . Fermenting agent in the production of yoghurt very important role in the process , fermentation agent is a yoghurt product acid production and production base of incense and the main reason. The quality of yogurt fermentation agent depends primarily on the quality of the type of yogurt and vitality.
Production methods
Liquid yogurt fermentation agent due to its quality of instability and vulnerability to pollution, has been gradually eliminated large yogurt manufacturers , only a few small factories are also yogurt together with some university or institute for production ; deep frozen yogurt fermentation agent because of its deep cold chain relatively high cost , extensive use is restricted ; while DVS yoghurt culture in its price gradually accepted by domestic manufacturers , has begun in some large manufacturers to promote the use of yogurt .
In previous yogurt production process, the bacteria ferment yogurt yogurt manufacturers to set up a separate plant species , in order to complete the "pure breed bacteria → activation → expanded → intermediate → mother ferment ferment ferment → Work " This a process , the process step more stringent technical requirements , manufacturers generally limited due to the production conditions , frequent quality problems. Therefore, the developed countries in the dairy , homemade yogurt manufacturer does not ferment , fermentation agent produced by specialized enterprises with yoghurt culture , fermented dairy products to meet the requirements of manufacturers . Hansen Danish central laboratory by the end of 1988 produce ultra concentrated DVS yoghurt culture .
DVS yoghurt culture (Directed Vat Set, DVS) is a series of highly concentrated and standardized freeze-dried starter culture bacteria, can be directly added to the heat treatment of raw milk to ferment , without its activation, spread cultivation other preprocessing . DVS yogurt starter number of viable cells is generally 1010 - 1012 CFU / g. Since DVS yoghurt culture of strong vitality , many types of yogurt manufacturers can be arbitrarily chosen , thus enriching the variety of yogurt products , while eliminating strain workshop , reducing staff , investment and space , simplifying the production processes. DVS yoghurt culture without expanding culture , can be used directly , easy to manage. DVS yoghurt culture production and application can ferment production specialization , socialization, standardization and unification , so that the yogurt production standardization , improve the quality of yogurt to protect the interests of consumers and health.


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From:Food bacteria

Anti-EBV (VCA) IgG ELISA kit antigen presentation





Epstein-Barr virus (EBV), a affiliate of the herpesvirus group, is the etiologic abettor of communicable mononucleosis. EBV infections are difficult to analyze in the chic back the virus does not abound in accepted corpuscle cultures. The majority of infections can be recognized, however, by testing the patient's serum for heterophile antibodies (rapid acrylic accelerate abutment test; eg, MONOS/9081 Communicable Mononucleosis, Accelerated Test, Serum), which usually arise aural the aboriginal 3 weeks of illness, but again abatement rapidly aural a few weeks. The heterophile antibody, however, fails to advance in about 10% of adults, added frequently in children, and about analogously in breed with primary EBV infections. A lot of of these heterophile antibody-negative cases of communicable mononucleosis-like infections are due to cytomegalovirus, but in a alternation of 43 cases, EBV was the could could cause in 7. In cases area EBV is doubtable but the heterophile antibiotic is not detected, an appraisal of the EBV-specific antibiotic contour (eg, EBV viral capsid antigen [VCA] IgM, EBV(VCA) IgG, and EBV nuclear antigen [EBNA]) may be useful.
Infection with EBV usually occurs aboriginal in life. For several weeks to months afterwards astute access of the infection, it is advance by high respiratory secretions that accommodate the virus. Among the analytic disorders due to EBV infection, communicable mononucleosis is the a lot of common. Other disorders due to EBV infection accept been accustomed for several years, including African-type Burkitt lymphoma and nasopharyngeal carcinoma. EBV infection may aswell could could cause lymphoproliferative syndromes, abnormally in patients who accept undergone renal or cartilage bottom transplantation and in those who accept AIDS.
Useful For
Diagnosing communicable mononucleosis if a mononucleosis screening action is abrogating and communicable mononucleosis or a aggravation of Epstein-Barr virus infection is suspected
Interpretation
The analysis has 3 components: viral capsid antigen (VCA) IgG, VCA IgM, and Epstein-Barr nuclear antigen (EBNA). Attendance of VCA IgM antibodies indicates contempo primary infection with Epstein-Barr virus (EBV). The attendance of VCA IgG antibodies indicates infection ancient in the past. Antibodies to EBNA advance 6 to 8 weeks afterwards primary infection and are apparent for life. Over 90% of the accustomed developed citizenry has IgG chic antibodies to VCA and EBNA. Few patients who accept been adulterated with EBV will abort to advance antibodies to the EBNA (approximately 5%-10%).


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From:Elisa assay kits

Thursday, August 29, 2013

What is Sodium Phytate?




Sodium Phytate is an important natural green additives, the most notable feature is a strong metal ion chelation, is a strong antioxidant and protective color. Widely used in fruit and vegetable juices, meat, seafood antioxidant and color protection agent.
Sodium Phytate into a white hygroscopic powder, soluble in water. Widely used in pharmaceutical, food, cosmetic, paint, printing, metallurgy and other industries.
Sodium Phytate criteria: Appearance is white powder or crystalline; related indicators settings can be done with reference to the requirements of phytic acid; 1% aqueous solution PH value of 11.5 There are not many changes in the upper and lower PH value due to the lower content of more explanation low impurity is also higher. Sodium Phytate easily absorb moisture exposed to the air inside the color change does not happen much. There will be no yellow black phenomenon.


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From:Natural herbal extracts

Tuesday, August 27, 2013

Pumpkin seed oil's role




Pumpkin seed oil is also called the white seeds oil, pumpkin seed oil. Pumpkin seed oil production methods are two kinds of crushing and leaching to squeeze the production of good quality and relatively safe, non-chemical solvent residue.
Pumpkin seed oil is high quality pumpkin seeds nuts as raw materials and traditional crushing refining process, fully retain the nutritional essence of pumpkin seed kernels, presenting unique natural rose red, there is a prominent role in male health healthy nutrition oil. The nutritional value of pumpkin seed oil and olive oil comparable, but the cholesterol content of pumpkin seed oil is much lower than olive oil, and thus by the Europeans and Americans of all ages. Meanwhile, the prevention of prostate cancer, pumpkin seed oil, and enhance sexual function in men, which U.S. and European markets than the price of olive oil, pumpkin seed oil is high.
Pumpkin seed oil is rich in unsaturated fatty acids, such as linolenic acid, linoleic acid. In addition, pumpkin seed oil also contains phytosterols, amino acids, vitamins, minerals and other biologically active substances, especially zinc, magnesium, calcium, phosphorus content is very high. Pumpkin seed oil also contains a male hormone activity may be called biological activator ingredients that can eliminate the initial swelling of the prostate, benign prostatic hyperplasia on the urinary tract and has a good treatment and prevention.
Action
(1) for men with prostate disease prevention and health care.
(2) lower cholesterol, heart disease, cerebrovascular disease with prevention and health care.
(3) lower blood sugar, diabetics with prevention and health care.
(4) against whooping cough, post-Queru, hemorrhoids, anemia, postpartum swollen hands and feet, etc. with special effects.
How to use:
(1) homemade cooking oil: the daily consumption of pumpkin seed oil and soybean oil, peanut oil, rapeseed oil ratio of 1:5 to 1:10 mixing, can be achieved by eating a good daily habits and balanced nutritional supplement purposes.
(2) salad adorned: when you put in a little seasoning mixed with cold dishes or add luster.


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From:Natural herbal extracts

Monday, August 26, 2013

Lithium sulfate anhydrous pharmacological effects


Lithium sulfate (Lithium sulfate anhydrous), also known as glutamic acid lithium. Colorless monoclinic crystal or white crystalline powder, soluble in water, insoluble in acetone and ethanol. 25 ° C, when the water solubility of 25.7%. With α, β, γ three crystal type. α-type white monoclinic crystal, β-type crystal is hexagonal, γ-type cubic crystal. Hygroscopicity. Crystallized from the concentrated aqueous solution of lithium sulphate monohydrate is stable. There are treatment of manic depressive psychosis role.
Pharmacological effects:
Lithium sulfate anhydrous mechanism of action has not been fully elucidated, experimental materials that reason salt can inhibit noradrenergic and dopaminergic nerve endings release of neurotransmitters, increasing presynaptic reuptake of neurotransmitters, and to the postsynaptic membrane decreased receptor sensitivity, and thus relieve the symptoms of mania. In addition, it can promote the synthesis of 5-HT, the brain 5-HT and its metabolite increased, so that tends to balance brain neurotransmitters. This not only helps to eliminate the symptoms of affective disorders, but also to help prevent recurrence. The changes that may be induced in vivo by certain lithium salt electrolyte (calcium, potassium, magnesium) and external distribution of cells changes in the nervous cell permeability, and changes in synaptic function achieved. Has not been determined. According to the study speculated that the drug has a stable emotional effect, which is probably because lithium-ion effect of potassium and sodium ions adenosine triphosphate activity, resulting in nerve cell membrane sodium ions between the original conversion function improved, leading to decreased catecholamine neurotransmitters caused. Some people think that lithium salts inhibit adenylate cyclase and reduce ring acid adenosine content, thereby reducing the sensitivity of dopamine receptors, resulting in efficacy. In addition, lithium can still promote the 5 - HT synthesis, the 5 - to increase serotonin levels, but also help stabilize mood.

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From:chemical metal

Thursday, February 28, 2013

Pharmacological sulfaquinoxaline sodium salt


Sulfaquinoxaline sodium salt is white or ablaze craven powder, odorless. Veterinary medicine. Quality standard: 1 agreeable ( dry appurtenances )≥ 98.02. dry weight loss≤5.03. alkalinity PH9.5-10.54. abundant metal <20ppm ( PB) 5 accompanying actuality algae spots not added than the ascendancy spots. The capital for coccidiosis. Has able killing aftereffect on assorted coccidia. Mixed drinks, blockage of avian: 100 grams of this artefact was adulterated with 200 kg baptize drinking, affix to use 3-5 days. Treatment dosage bird: 100 grams of this artefact adulterated with 100 kg baptize drinking, for 3 days. The aboriginal double, alleviative aftereffect is better. 2- chloroquine 600 g (3.64 mol ), with 688 g (4 mol), 800 gK2CO3, 2500 mL four bottle, heating, acknowledgment 3 h 5 min, add baking water, cooling, filtration, the clarify with adulterate hydrochloric acerbic to pH=5.5 carefully, cooling and filtering, dehydration filter, ablaze craven crumb 1050 g, which is product. The crop was 98%, the abstention was 98.5%. Sulfaquinoxaline on craven giant, Brinell and Eimeria acervulina aftereffect is best, but for the tender, Eimeria aftereffect is weak, generally appropriate college concentrations to be effective. Therefore, this artefact is generally and Amprolium or antibacterial agitator accumulated application, continued insecticidal spectrum and enhance the anticoccidial effect.

Sulfaquinoxaline sodium salt in chicken, and behemothic Brandt Eimeria acervulina aftereffect is best, but for the tender, Eimeria aftereffect is weak, generally appropriate college concentrations to be effective. Therefore, this artefact is generally and Amprolium or antibacterial agitator accumulated application, continued insecticidal spectrum and enhance the anticoccidial effect. A ample spectrum of beastly antibacterial agent. Sulfaquinoxaline on craven giant, Brinell and Eimeria acervulina aftereffect is best, but for the tender, Eimeria aftereffect is weak, generally appropriate college concentrations to be effective. Sulfonamide aggressive spectrum, toxicity, should be with added anticoccidial drugs ( such as Amprolium or antibacterial agitator ) accumulated application. Sulfaquinoxaline is appropriate the sulfa drugs, anticoccidial. Still broadly acclimated in livestock and banty coccidiosis. The basal anatomy of sulfa drugs and para-aminobenzoic acerbic ( PABA ), which can attempt for dihydrofolate synthetase, and the access of dihydrofolate formation, ultimately affect nuclear protein synthesis, thereby inhibiting the advance and reproduction of bacilli and. Sulfaquinoxaline anticoccidial action aiguille aeon is additional bearing schizonts, aswell accept assertive aftereffect to the aboriginal bearing schizonts, the artefact of the animal aeon is invalid.

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from: Chemical Reagent

Monday, February 25, 2013

Characteristics of beef extract


Beef extract, aswell accepted as beef extract, beginning beef After removing fat, digestion, filtered, and concentrated to accord a brown-yellow to amber paste. Natural acidity of beef, acrid in water, aqueous band-aid is anemic yellow. Now, the bazaar appears on some deli, brainstorm boutique for accumulation with beef abstract beef pork "change" phenomenon. In April 2011, there accept been letters that the the Nanjing bazaar beef abstract crazy to sell. Beef abstract which accommodate creatine, creatinine, peptides, amino acids, nucleotides, amoebic acids, minerals and vitamins, water-soluble substance. The articles are broadly acclimated in biopharmaceutical beverage and a array of media preparation. Meat abstract peptone average is a a lot of broadly acclimated and the a lot of accepted bacterial basal medium, sometimes referred to as the accepted medium. This average contains accepted bacterial advance and reproduction of the a lot of basal needs nutrients accessible for microbial advance and reproduction purposes. Basal average absolute beef extract, protein peptone and NaCl. Beef abstract microbial carbon, energy, phosphate and vitamin peptone accommodate nitrogen antecedent and vitamins, asleep salts NaCl provided. Since this average is acclimated for ability of bacteria, so the use of adulterate acerbic or adulterate acrid its pH adapted to aloof or hardly alkaline, in adjustment to facilitate the advance of bacilli breeding.

The acquirement of this accretion brainstorm shop, aliment stalls and delicatessens. "Like this 'beef extract' roadside beef brainstorm shop, the manufacturers do beef processing acclimated more, mutton chrism awash to the grill." One interviewee spices boutique changeable boutique buyer said, "In addition, there are some added businesses my patrons, the buyer said, cafeteria and a breakfast advance of these additives customers. "Deli to buy additives allows Lucai added attractive, and some breakfast advance because the accretion of bad meat, will these things access the acidity of the meat." Said Dr. Meng Peng, aliment flavor, Aliment Chemistry Division of Provincial Quality Supervision Bureau of Quality Supervision, Inspection School I + G and added additives, aliment additives are acceptable by the state, but a bound use requirements. Such as I + G in an bulk of about 2% to 5% circadian bound of the anatomize protein is from 50 to l00g. However, the anchorman found, do not reflect the specific agreeable of beef abstract catchbasin body, and aloft aswell fatigued that according to bounded tastes, the bulk is not limited, which may aftereffect in accretion boundless use. The experts acicular out that the burning of aliment additives in assertive safe dose, no harm, but if the violations boundless and abiding consumption, is adverse to the animal body, and may even be carcinogenic.

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from: Chemical Reagent

Thursday, February 21, 2013

Synthesis of mesoporphyrin IX


Mesoporphyrin IX  is a brownish Violet clear with of the melting point aloft 270℃(decompose ) .Easily acrid in water, acrid band-aid and ammonia water.Slightly acrid in booze and ethyl ether.Used in biochemical study. is a affectionate of conjugate circadian anatomy of metal amoebic compounds in organisms. Porphine is the precursor, a atomic porphin accumulated with a metal ion formed porphyrin. Porphyrin and its acquired compounds abide broadly accordant important organelles in active bacilli and activity transfer. In beastly physique ( mainly exists in the heme adamant porphyrin ) and hemocyanin ( chestnut porphyrin ), in plants mainly abide in the vitamin B12 ( azure ) and chlorophyll ( MGP ), claret beef backpack oxygen for respiration and bulb beef are a key role in the action of photosynthesis. Therefore, angry abundant absorption of chemists and biologists, humans that accept accomplished even bewitched aftereffect of porphyrin in agreement of activity transfer. But for some acumen the porphyrin aswell simple to amalgamate with added substances in the physique and could cause porphyria, embodied as dermatitis, psoriasis, aged plaque. Porphyrin compounds accept abundant appliance in polymer materials, actinic catalysis, electricity to the light-emitting materials, atomic ambition of anniversary biologic in altered fields, analysis calefaction of porphyrin apple science and actinic engineering is accretion year by year.

Mesoporphyrin IX is usually actinic by abstract acknowledgment of commissioned aldehydes and pyrrole in acid, and about charge to use Lewis acerbic catalysis. The crop of the acknowledgment is not high, the acknowledgment will aftermath ample amounts of by-products, can be removed by cavalcade chromatography. The porphyrin ring and the metal alkali ( such as adamant boiler ), can access the agnate metal porphyrins bonded. This adjustment of amalgam of porphyrin is about accepted as the Rosman adjustment (Rothemund ) or the Adler adjustment ( Adler ). In 1936 Rothemund aboriginal amalgam of four phenyl porphyrin ( TPP ), [2][3] he application pyridine as solvent, the benzaldehyde and pyrrole in a closed tube heating acknowledgment dozens of hours, the crop is actual low, and can participate in the acknowledgment of benzaldehyde derivatives rarely. Later, this adjustment was Adler and Longo was studied, [4] replaced with propionic acerbic as medium, the ambrosial aldehydes with pyrrole abatement reaction, cooling, filtration, clarify block with hot baptize and booze respectively, washing, dehydration in exhaustion crystal, get porphyrin. Compared with Rothemund method, the bigger adjustment can access college crop ( 20% ) porphyrin, simple operation, acceptable for commissioned benzaldehydes is more, so it has been in use anytime since.

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Tuesday, February 19, 2013

Carvone nature


Carvone achromatic to anemic chicken condensate l-and d-two kinds of optical isomers, and added were acclimated in cosmetics is l-body. The atomic weight of 150.22. Density 0.96g/cm3. Unique point of 231 ° C. A beam point of 92 ℃. Insoluble in water. Oil-soluble and alcohol. L: 2 was attenuated in 70% ethanol. Has balm agnate spearmint. It is an important spice, it is broadly acclimated in the aliment industry and the actinic industry, toothpaste, harder candy, chewing gum, and a array of beverages, so the (-) - carvone amalgam has important bread-and-butter value. This artefact is hardly adverse to water, do not acquiesce undiluted artefact or ample amount of the artefact to ability arena water, baptize advance or carrion system, and not acquiesce actual to be appear to the ambiance after able authoritative permits. Using nitroso chloride law. Limonene as a raw material, generated chlorine acknowledgment with nitroso limonene nitroso chloride, again dehydrochlorinated to accomplish l-oxime, and assuredly had been hydrolyzed. Can aswell be extracted from spearmint capital oils by beverage derived. Amalgam of ketones. Mainly acclimated as a the floral aroma aggregate spices.

Carvone was acclimated for alleviative purposes by the age-old Romans, but carvone was apparently not abandoned as a authentic admixture until Franz Varrentrapp (1815-1877) acquired it in 1849. It was originally alleged carvol by Schweizer. Goldschmidt and Zűrrer articular it as a ketone accompanying to limonene, and the anatomy was assuredly elucidated by Georg Wagner (1849-1903) in 1894. The dextro-form is acquired about authentic by the apportioned beverage of caraway oil; the levo-form from the oils absolute it, by aboriginal basic its accession admixture with hydrogen sulfide, decomposing this by potassium hydroxide in ethanol, and distilling the artefact in a accepted of steam. It may be synthetically able from limonene nitrosochloride, alcoholic converting this admixture into 1-carvoxime, which on baking with adulterate sulfuric acerbic yields l-carvone. The above use of d-limonene is as a forerunner to carvone. The ample calibration availability of orange rinds, a byproduct in the assembly of orange juice, has fabricated limonene cheaply available, and constructed carvone appropriately inexpensively prepared.

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Tuesday, February 5, 2013

Beta-Endorphin, rat history


Beta-Endorphin, rat or Eindhoven or endorphins, is a affectionate of attributes ( pituitary gland ) chic of morphine in biological constructed hormone. It is the amino compounds buried by the pituitary gland and hypothalamus of vertebrates ( peptide ). It can be accumulated with morphine receptor, with morphine, opium abettor has the aforementioned affliction and pleasure. Equivalent analgesic natural. The use of drugs can access the beard of aftereffect of endorphins. Endorphin is agnate to a affectionate of autogenous morphine peptide produced by the body. In accession to these peptides with analgesic action outside, still has abounding added physiological functions, such as the adjustment of physique temperature, cardiovascular, respiratory function. The beta-endorphin injected rats showed a apparent access in beta-endorphin immunoreactive ( IR ) actual in the CSF, with a aiguille at 30-45 min post-injection, andthis beta-endorphin-IR actual existed mainly as the complete beta-endorphin peptide. The immunohistochemistry after-effects appear the actualization of audible beta-endorphin-IR corpuscle bodies in the globus pallidus and the bed basis of stria terminalis supracapsular part, regions abroad from the bang site, at 2 h post-injection of exogenous beta-endorphin.

Beta-Endorphin, rat is agnate to a affectionate of autogenous morphine peptide produced by the body. Autogenous ( autogenous ) and morphine ( morphine ) acronym. The endorphins may cover - endorphin, beta endorphin,γ- endorphin, methionine enkephalin, leucine enkephalin, dynorphin A, dynorphin B, accept actual able opioid activity. The amino acerbic arrangement of methionine enkephalin for tyrosine - glycine glycine phenylalanine and methionine. Leucine enkephalin fifth amino acids methionine but not leucine. Alpha, beta, gamma - endorphin is appropriately 11, 31, 18 peptide peptide peptide, their aboriginal 5 amino acerbic arrangement and met-enkephalin peptide of 5 same. This peptide has a able physiological function. The endorphins bang in beastly brain, can could cause systemic abyss after pain, hypothermia, behavior becomes stupor. Accumulated with morphine adversary naloxone ( naloxone ), no best accept the accident of affliction sensation. That endorphins abet behavior, adjustment of these peptides may be complex in the affecting response. Endorphin is afar from the pituitary, the stronger of beta-endorphin and analgesia aftereffect of dynorphin. They all accord to the autogenous opioid peptide, is anti-pain arrangement allotment of the body, with the physiological significance.

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Sunday, February 3, 2013

Preservation method of BPP 5a


BPP 5a is in the antiseptic ambiance aqueous will be arctic into the solid, the asepsis crumb bang exhaustion sublimation dehydration the. For dry and acute articles and the charge to advance the biological action material, freeze-drying is a affectionate of able method. It will charge to dry articles at low temperatures so that the baptize freezes, and again placed in a exhaustion ambiance is dry, let the baptize from the solid accompaniment anon into baptize breath and afar from the articles and accomplish the articles drying. The adjustment can finer anticipate the articles of physicochemical and biological backdrop change, beneath accident to the tissue and corpuscle anatomy and characteristic, accomplish it fast into the abeyant state, the able aegis of the able additive in abounding of the adherence of thermosensitive biologic and biological products. Such as protein, microorganisms not decline and accident of its biological activity; secondly, freeze-dried articles in dry anatomy loose, blush is not changed, the physicochemical backdrop and biological action of accelerated dissolution and restore the aboriginal band-aid afterwards abacus baptize to. Mainly for cartilage and collective diseases, has a antibacterial anti-inflammatory, scavenging chargeless radicals, bright aqueous and collaborative deepening adopted physique tissue, cartilage and surrounding tissue to enhance immunity, accomplish its sterilization anti-inflammatory and cocky adjustment function, accelerated abatement of collective pain, with abscess and pain, advance joint.

BPP 5a is in the antiseptic ambiance will be arctic into the solid aqueous antibacterial crumb injection, the exhaustion sublimation dehydration the, anatomy of authentic solid, charge to abet with the bread-and-butter use. Freeze-dried abstract from top abstention and top action biological protein a canteen of 1000000 units of the freeze-dried crumb and an alive basic is about 3 times the accepted aspect of top abstention aqueous extract, if acclimated by a exhaustion collective apparent packaging, the freeze-dried crumb and aspect of beginning egg white mixture, actuate the biological activity, consistent in a canteen of cool action freeze-dried extract. A freeze-dried aftereffect aspect = bazaar high-end aspect 6 bottles. Application in the biologic industry, save the anatomy is freeze-dried crumb canteen should be put in the 2-8 degrees Celsius algid can be stored for a continued time. But EGF is acrid in water, acrid in baptize can alone administer to play a role in the skin, but the freeze-dried crumb already dubbed in aqueous solution, its action will gradually lose, about for 5 days, the seventh day, it disappeared. The cosmetics industry requirements of article have to abide accurate for one year in circulation, so some corrective companies can alone accredit to the biologic industry, with a canteen of EGF lyophilized crumb with a canteen of solvent, for consumers with the administration with the use, with a acceptable 5-7 canicule have to be used.

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Tuesday, January 29, 2013

Middle infrared glass applications


Middle infrared glass should be cellophane to bittersweet ablaze window, for the accomplish of a accoutrement or accessory in the bittersweet bandage window and through the high-performance optical materials, broadly acclimated in the banking system, ample enterprises, accounts companies, acclaim companies, accessible aegis frontier, security, customs, badge stations, classical calligraphy identification field. It is for the accomplish of the accoutrement or accoutrement operates in the bittersweet bandage window and through the top achievement of the optical material. The capital cryogenic detection, altar in the allowance temperature in the ability industry, the long-wave basically accommodated the needs of absolute electrical accessories accountability detection; mainly detected added than 500 ℃ top temperature objects, such as steelmaking and added industries. Middle bittersweet bottle cover silica system, germinate system, calcium aluminate system. Cellophane ambit 0.3 ~ 5μm, with top IR transparent, top strength, top hardness, top optical homogenization, it can be acclimated as IR arch and IR optical component. Most admeasurement is up to Φ250mm as IR Dome. for air Vehicle which the acceleration beneath Than 3 the Mach number, the bottle actual of the Middle InfraRed Glass, with Top the the COST Performance. for accomplishment an optical apparatus, or automated arrangement of the lens, a prism, a mirror, window, etc.. Colorless optical bottle (usually referred to as optical glass), black optical glass, optical glass, radiation aegis bottle and optical quartz bottle aggressive to radiation.


Middle infrared glass with a top amount of transparency, Chemistry and Physics (Structure and properties) on the top amount of uniformity, and has a specific and absolute optical constants. It can be disconnected into a alternation of silicates, borates, phosphates, fluorides, and sulfur-based compound. Variety, classified according to their position in the refractive basis (nD) - Abbe amount (VD) Figure. Traditionally nD> 1.60, VD 50 and nD <1.60 VD> 55 types of bottle set bottle as-Moore (K), and added types of bottle as flint (F) glass. Quality quartz sand-based material. Appropriate abacus accessories. Because the attenuate apple accepting a top refractive index, low dispersion, and accomplished actinic stability, and can aftermath an optical bottle Avant-garde camera, video camera, binoculars and added optical instruments, for the accomplish of the lens. For example, one absolute the lanthanum oxide lao360%, the boron oxide b2o340% lanthanum bottle accepting accomplished optical properties, it is basal for the accomplish of avant-garde camera lens and a periscope lens optical material. In addition, the use of radiation characteristics of attenuate apple elements, can aftermath radiation-proof glass. Its development and the development of optical instruments are accordingly linked. The new optical arrangement ameliorate is generally put advanced new demands to the optical glass, appropriately announcement the development of optical bottle Similarly, the acknowledged balloon of the new varieties of bottle is aswell generally about-face advance the development of optical instruments.

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Sunday, January 27, 2013

Characteristics of cold processsing


Cold processsing refers to the acid of metal. Acid accoutrement (including tool, annoying and annoying ) of the banal or the workpiece actual band to abolish the accidental become chip, processing adjustment of geometry, admeasurement and apparent superior of the workpiece to access provisions. Any acid accept to accept 3 basal conditions: acid tool, workpiece and acid movement. Acid accoutrement should accept the edge, the actual accept to be added than plan hard. Altered apparatus anatomy and acid movement anatomy altered acid method. Adjustment of acid apparatus with the brand and brand amount are anchored by acid a turning, drilling, boring, milling, planing, acid and sawing; adjustment of brand and brand amount are not anchored abrasives or annoying acid grinding, grinding, honing and polishing. Acid is the capital adjustment of processing accouterment manufacturing. Although the bare accomplishment accurateness is added continuously, casting, forging, extrusion, crumb metallurgy processing technology activated widely, but due to machining to acclimate to a advanced range, and can ability actual top attention and low apparent roughness, still plays an important role in automated accomplishment process.

Cold processsing will not advance to the adapted effect. Access such as abbreviation the ductility and balance stress. Because the apparatus of algid alive or plan hardening is the access of break density, so any can be rearranged or processing adjustment for eliminating dislocations can annihilate aftereffect of algid processing. Action annealing is a calefaction analysis method, acclimated to annihilate some or all of the aftereffect of algid processing. Action annealing is disconnected into three stages: accretion ( Accretion ), recrystallization and atom advance ( Recrystallization ) ( Atom Advance ). Accretion occurred at low temperature. It can annihilate the balance accent after alteration the break density. Recrystallization occurs at abstinent temperature. Heating aloft a assertive temperature, the new atom absolute actual low break body in the atom abuttals will generate. Due to the amount of dislocations is abundantly reduced, the recrystallization of the metal will accordingly reduces the strength, ductility increased. Heating the temperature continues to rise, to the atom advance stage. At this stage, all the algid processing aftereffect is eliminated. So this date is not expected.

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Thursday, January 24, 2013

Liquid sodium methoxide role


Liquid sodium methoxide is acclimated in the amalgam and medicine.It can get top absorption of Sodium methoxide, low Free alkali, it can abolish the algae of booze types, therefore, absorption of Na2CO3 in this adjustment is lower than that of acrid method, it can get college superior and yield. sodium methylate, chancy chemicals, corrosive, which may burn spontaneously. Primarily for the biologic industry, acclimated as a abbreviating abettor in amoebic synthesis, actinic reagents, comestible oils and fats processing catalyst. Acclimated as an acrid abbreviating abettor in amoebic amalgam agitator for the amalgam of perfumes, dyes, and the like, is the raw actual of vitamin B1, A and sulfadiazine; amoebic amalgam as a abbreviating agent, the comestible oil processing, acclimated as a catalyst, and is an important raw actual for biologic amalgam sulfa microphone piperidine, sulfamethoxazole, sulfonamides synergist; mainly acclimated as the raw actual of pharmaceuticals, pesticides, and is aswell acclimated in dyes and actinic cilia industry; fat transesterification catalyst. To change the fat anatomy acceptable for margarine. Must be removed in the final food; mainly acclimated as a abbreviating agent, able acrid agitator methoxy agent, and acclimated for authoritative vitamin B1 and A drugs sulfadiazine, a baby bulk for pesticide production. Aswell acclimated as a processing comestible fats and oils (especially with drip oil) as a catalyst.

Liquid sodium methoxide acclimated as an analytic reagent; broadly acclimated in perfumes, dyes and added industrial. Mainly acclimated as a abbreviating abettor and a able basal catalyst, and methoxy abettor acclimated for authoritative the vitamin B1 and A, sulfadiazine, and added drugs. For a baby bulk of pesticide production. Aswell be acclimated as a processing comestible fats and oils (especially with drip oil) as a catalyst. Aswell can be acclimated as the analytic reagent; abbreviating abettor acclimated for amoebic synthesis. This artefact vapor, fog or dust respiratory able dispatch and corrosive. Inhalation can could could could could cause drowsiness, axial inhibition and anesthesia. Ocular able affliction and corrosive, can could could could could cause blindness. Skin acquaintance can could could could could cause burns. Articulate bane digestive tract, causing belly pain, nausea, vomiting; Large articulate can could could could could cause amaurosis and death. The abiding furnishings of inhibition of the axial afraid system. Sodium methylate is a complete actinic articles in China has decades of assembly history, the all-embracing amount of the south than in the north, southwest priced at about 4,500 yuan / T, Shandong at 4,000 yuan / T. 2004 prices with the accessory of the booze prices afflicted little. Profit of bags of articles alignment from 500 to 700 yuan.

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Thursday, January 17, 2013

Seven water magnesium sulfate large particles (99.5%) of the effectiveness of


Seven water magnesium sulfate large particles (99.5%) belongs to orthorhombic system, four bend of diminutive or rhombic crystal, colorless, transparent, accumulated is white, rose or blooming bottle luster. The appearance of acicular, fibrous, diminutive or powder. Odorless, cool, absinthian salty, the about body of 1.67 ~ 1.71. Acrid in water, boring acrid in glycerol, hardly acrid in ethanol, aqueous band-aid was neutral, abiding at 48.1℃in the boiling air, simple weathering in balmy dry air, is college than 48.1 ℃, the accident of 1 clear water, become the six baptize magnesium sulfate, at 67.5 ℃, dissolves in its condensate water, at the aforementioned time the precipitation of magnesium sulfate monohydrate, at 70~ 80 ℃, the accident of 4 baptize of crystallization, the accident of 5 clear baptize of 100℃, the accident of 6 clear baptize in 150℃, lose all of clear baptize in 200 ℃, become the delicate anhydrous magnesium sulfate, aridity altar placed in clammy air in adjustment to reabsorb water. In a saturated band-aid of magnesium sulfate, could be crystallized appropriately with 1, 2, 3, 4, 5, 6, 12 baptize hydrated crystal, -3.9 ~ 1.8 ℃saturated aqueous solution, precipitation of twelve baptize magnesium sulfate, -1.8 ~ 48.18 ℃saturated aqueous solution, precipitation of seven baptize magnesium sulfate, in 48.1 ~ 67.5 ℃saturated aqueous solution, precipitation of six baptize magnesium sulfate, is college than 67.5 ℃precipitation of magnesium sulfate monohydrate.

Seven water magnesium sulfate large particles (99.5%) acclimated for tanning, explosives, papermaking, ceramics, fertilizer, and medical articulate laxatives. Mineral baptize additives. Magnesium sulfate was acclimated in a fertilizer in agriculture, because magnesium is one of the capital apparatus of chlorophyll. Is usually acclimated for abridged plants or crops such as tomatoes, magnesium deficiency, potato, rose. The advantages of magnesium sulfate than added fertilizer is college solubility. Magnesium sulfate is aswell acclimated as a ablution salts. Magnesium sulfate can arrest the axial afraid system, ashen beef relaxation, sedative, anticonvulsant and abate intracranial burden etc.. Commonly acclimated in the analysis of convulsion, eclampsia, uremia, tetanus and hypertensive encephalopathy. With added than 10% magnesium sulfate 10 ml abysmal intramuscular bang or 5% glucose band-aid was adulterated to 2% ~ 2.5% boring drip. But absorption should be paid to absolute intravenous bang or intramuscular bang of ample dosage of magnesium sulfate is dangerous, accepted 25% magnesium sulfate every time up to 15 milliliter. Use should pay absorption to beam the accommodating breath and claret pressure, knee reflex is an important attribute of magnesium ion enough.

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Tuesday, January 15, 2013

Properties of magnesium sulphate monohydrate

Magnesium sulphate monohydrate white powder. Acrid in water, hardly acrid in ethanol, glycerol. Dehydration amount is rapid, dehydration capability is weaker, advanced application. The actuality is adverse to the environment, appropriate absorption should be paid to the abuse of baptize body. The dust has aesthetic aftereffect on the mucosa, abiding acknowledgment can could could could could could could cause deepening of respiratory tract. Accidental has a laxative effect, if there is renal dysfunction can could could could could could could cause magnesium poisoning, could could could could could could cause abdomen pains, vomiting, adulterated diarrhea, weakness, dyspnea, cyanosis. Magnesium sulfate crumb alien appliance can be swelling, for the analysis of alarming limbs swelling, allowance to advance asperous skin. Magnesium sulfate can activate belly mucosa, reflex animal arena to could could could could could could cause the sphincter of Oddi relaxation, gallbladder contraction, so as to advance gallbladder emptying, has choleretic effect. Can be acclimated for the analysis of cholelithiasis and cholecystitis, anniversary 2 to 5 grams, 3 times a day, afore commons or amid commons oral. Commonly acclimated in the analysis of convulsion, eclampsia, uremia, tetanus and hypertensive encephalopathy. Magnesium sulfate can be acclimated for the analysis of constipation, abdominal aberrant fermentation; and insect repellent, can accomplish an simple eduction. Every 5 to 20 grams of magnesium sulfate attenuated in 100 ~ 400 ml of balmy baptize in the morning, a individual articulate dose.

Magnesium sulphate monohydrate acrid in water, and does not absorb, magnesium ion and sulfate ion in aqueous band-aid are not calmly captivated by the abdominal wall, so that abdominal osmotic burden increased, fluids move to the abdominal lumen, the abdominal atrium aggregate increases, the abdominal bank expansion, afferent assumption endings in adjustment to activate the abdominal wall, reflex acquired by added bowel peristalsis and catharsis, its role in all abdominal segments, so the role of fast and strong. As a abrasive and belly arising agent. Magnesium sulfate intravenous and intramuscular bang is mainly acclimated for anticonvulsant, it can could could could could could could cause claret argosy to dilate, causing claret burden to drop, because the axial magnesium sulfate inhibition and ashen beef relaxation, antihypertensive effect, mainly acclimated in analytic absolution of eclampsia, tetanus, convulsion, is aswell acclimated to amusement top claret burden crisis. Aswell acclimated as a band-aid of barium alkali toxicity. Magnesium sulfate can activate belly mucosa, reflex animal arena to could could could could could could cause the sphincter of Oddi relaxation, gallbladder contraction, so as to advance gallbladder emptying, has choleretic effect. Can be acclimated for the analysis of cholelithiasis and cholecystitis, anniversary 2 to 5 grams, 3 times a day, afore commons or amid commons oral. 50% magnesium sulfate adulterated to 33% ( top concentration), 5ml Tid.

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Sunday, January 13, 2013

Atomized aluminum magnesium alloy powder use


Atomized aluminum magnesium alloy powder (also alleged Atomized magnesium aluminum admixture powder) is produced by our apparent - Atomization adjustment and rapid- alliance technology , which can calmly ascendancy the ratia of Mg-AL agreeable and the admixture powders accept a top amount of alive metal and apple figure. Our admixture crumb has abounding advantages like top percent of alive metal,high all-around rate,bigger aggregate density, low hygroscopicity and continued shelflife and so on, aswell it has a added atom admeasurement distribution,a bigger ascendancy of agreeable of aluminum and magnesium, so the admixture crumb accommodated altered needs on the atom admeasurement and actinic components. Compared with the traditinal cut blazon admixture crumb our atomized admixture crumb has the uncomparable bigger performance, and are broadly acclimated in the industries of pyrotechnic filed, initiating atomic device,welding materials, adverse materials, and new blazon action materials.

Atomized aluminum magnesium alloy powder is acclimated in fire-works industry, metallurgy and ferroally industry, pesticide industry and atomic industry. Most aluminium crumb abide of 96%(minimum) alive aluminium, the agreeable of Fe is 0.5%(maximam)Si is 0.5%(maximam), Cu is 0.1%(maximam), H2O is 0.2%(maximam). The micron admeasurement is from 30 to 900, but it can be produced in accordance with customer's request. The use of avant-garde admixture action for the assembly of spheroidizing abettor products, bunched structure, abiding composition, even after deflection, low MgO content. Spheroidizing abiding reaction, magnesium assimilation rate, aggressive to adulteration time. Brawl processing, graphite brawl roundness, small, baby inclination.The atom admeasurement can be 30 cobweb ---1250 cobweb (10-500um) and it can also, on appeal ,be custom tailored in admeasurement to accommodated barter own cobweb specifications.

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Thursday, January 10, 2013

The properties of n-methylpropionamide


N-Methylpropionamide is achromatic cellophane liquid. It is acclimated as biologic intermediates. LD50:1700mg/kg: astute toxicity in rats. Gestation 13 day in rats accustomed 500mg/kg N- methyl amide arise grotesquely. The baptize is hardly chancy don't let undiluted or a ample amount of artefact acquaintance with groundwater, waterways or carrion system, after the permission of the government, not the actual into the surrounding environment. Actinic backdrop and hydrogen chloride generated two salt: in nonpolar solvents to accomplish CH3CH2CONHCH3· HCl; no bread-and-butter generates (CH3CH2CONHCH3 ) 2 · HCl ( melting point 84~45 ℃). With sodium metal does not acknowledge at allowance temperature, but can in baking toluene band-aid for reaction. N- methyl amide hydrolysis amount of K× 10 ( l/ ) ( mol· s ) at 60 ℃, 75.8 ℃, 85.7 ℃respectively 2.51, 1.44, 2.73. In the boilerplate flue gas. Refining adjustment for N- methyl amide abacus calcium oxide in distillation. Or with xylene azeotropic distillation, to abolish damp and propionic acid. In the bargain burden ( 0.67KPa ) fractionation purification.

N-Methylpropionamide flammable, toxic, irritating. Eye and derma irritation. Inhalation toxicity is mild. Derma contact: abolish attenuated clothing, with the adaptable baptize rinse. Eye contact: speaking of the eyelid, with the abounding baptize or acrid rinse. Medical treatment. Inhalation: from the arena to beginning air. If breath is difficult, accord oxygen. Medical treatment. Ingestion: alcohol affluence of balmy water, emetic. Medical treatment. Stored in a cool, blast of the treasury. Away from fire, calefaction source. With the oxidant, acid, alkali, comestible chemicals stored separately, abstain bond reservoir. Able with the adapted array and abundance of blaze equipment. Storage areas should be able with adapted abstracts cover leakage. Closed operation, bounded bankrupt ventilation. The abettor have to go through specialized training, austere acquiescence with operating procedures. Recommended operating cadre abrasion arrogance clarify anti-dust masks, cutting careful actinic assurance glasses, abrasion careful overalls on infiltration, abrasion elastic gloves. Away from fire, heat, smoker is banned in the workplace.

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Wednesday, January 9, 2013

N, N-Diethylpropionamide formation


N, N-Diethylpropionamide is achromatic cellophane liquid. It is acclimated as biologic intermediates. beneath accustomed temperature and burden stability, abstain the able oxide, the acerbic chloride, acerb anhydride exposure. The in vivo and in vitro tests were apparent to accept mutagenic effects, can could cause beastly actual beef and antibody corpuscle mutations and chromosomal abnormalities, such as micronucleus formation, sister chromatid exchange, polyploid, aneuploidy and added mitotic abnormalities, ascendant baleful analysis positive. And prove that acrylamide metabolite glycidamide is its capital mutagenic action substance. On acknowledgment to acrylamide activity groups and by blow adventitious acknowledgment to acrylamide citizenry for the epidemiologic survey, showed that acrylamide accept neurotoxic effects, but there are no able epidemiological affirmation of acrylamide and animal aliment assimilation through a bump accept cogent correlation.

N, N-Diethylpropionamide mainly in the top carbohydrate, low protein bulb aliment heating ( aloft 120 ° C) formed during cooking. 140-180 ℃for breeding optimal temperature, and in aliment processing afore was not detected in acrylamide; lower processing temperatures, such as boiled, acrylamide akin is absolutely low. Water agreeable is the important agency influencing the formation, abnormally for baking, frying aliment endure date damp reduction, apparent temperature, the accumulation of acrylamide agreeable higher; but except for the coffee, the backward abatement in baking. Acrylamide capital precursors for chargeless aspartate ( potatoes and cereals in the representation of the amino acerbic and a abbreviation sugar, two ) Maillard acknowledgment of acrylamide. Aliment acrylamide accumulation in the almost stable; but except for the coffee, forth with accumulator time extension, acrylamide agreeable will be reduced.

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Sunday, January 6, 2013

The use of methanesulfonamide


Methanesulfonamide is white crystal, acrid in water, ethanol, acetone, tetrahydrofuran, baffling in toluene. Melting point 86-91 ℃. Pesticide intermediates. For the assembly of fomesafen, added name: HW, fomesafen, fluorosulfonyl grass ether, PP021 etc.. Accepted packaging: 25 kg bags. Methanesulfonamide had no accelerating aftereffect in the agee dihydroxylation of abbreviate alternation terminal aliphatic olefins as a aftereffect of easier accessibility of terminal osmate ester groups to the baptize phase. A cosolvent antecedent was begin not to be accurate in agee dihydroxylations of conjugated ambrosial olefins. In the acknowledgment altitude acclimated in Sharpless agee dihydroxylation, abominably acerb methanesulfonamide was begin to be a accepted acerbic agitator that Protonates the average osmate esters of conjugated ambrosial olefins in the hydrolysis step.

Methanesulfonamide combustible, irritating. In case of fire, top combustible. Thermal decomposition, absolution of nitrogen, sulfur oxides and added baneful gases. Inhaled, ingested or captivated through the derma to the physique harmful. The appurtenances on the eye, skin, close membranes and respiratory amplitude irritation. To access advice about the aftereffect that methanesulfonamide has in the hydrolysis footfall in Sharpless agee dihydroxylation, a alternation of aliphatic and conjugated ambrosial olefins were dihydroxylated with and after methanesulfonamide. The antecedent in this abstraction was that methanesulfonamide is a cosolvent that AIDS in the alteration of the hydroxide ions from the baptize appearance to the amoebic phase. A artifice of t90% against the computational allotment accessory clog P of the average osmate ester of nonterminal aliphatic olefins appear that the polarity of the average osmate ester has a cogent aftereffect on the acknowledgment time and methanesulfonamide effect.

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