Tuesday, May 21, 2013
Ox bile desiccated pharmacological effects
Ox bile desiccated is ablaze amber or biscuit crumb adhering microstrip. Usesd for assurance of baptize biological medium. Improves wettability of watercolor paints, watercolor paints enhance mobility, abate apparent astriction of baptize to anticipate baptize aerosol amassed into. Particularly acceptable for ample areas of attenuate coating. Gallbladder was beginning bovine kidney-shaped, about 18 to 20 centimeters, about 5 to 6 cm at its widest point, dry cystic, with longitudinal wrinkles. Beginning green-brown or aphotic amber acerbity is hardly cellophane liquid, hardly viscous, hardly dry again becomes thickened. Were absolutely dry, greenish-brown solid, again rub into the silty. Gas stench, absinthian taste. Acerbity to thicken the sauce, blooming blush amber is preferred; were dry with no insects were better. Acerbity accession of water, the acerbic mainly absolute sodium, acerbity pigment, and a baby bulk of mucin physique fat, soap, cholesterol, lecithin, choline, urea and sodium chloride, calcium phosphate, adamant and added asleep salts. Acerbic sodium alkali with a able aftereffect of blurred fat is the fat hydrolysis of the actual plays an important role; acerbity cholate is based bitterness. Acerbity acerbity colorant gives to bedraggled green. There are two important acerbity pigments, namely bilirubin and biliverdin, which are metabolic articles of claret in the claret in the alarmist formation. Bilirubin is aswell accessible from the bezoar (see bezoar bar) distill. Beginning bovine acerbity evaporated and powdered, and again the ox acerbity crumb 240 g, starch 240 g, 520 g sugar, bond a powder. 2 years 0.5 to 1 gram per day, 2 to 5 years of age from 1 to 1.5 g, 5 years old 1.5 to 2 grams, 2 to 3 times service. In affiliation with appropriate treatment. According to the ascertainment of 250 cases, 52 cases of basal recovery, abate 130 cases, 72.8% of efficiency. Early is better, such as with aspartame mixture, ability can be improved.
Ox bile desiccated mainly absolute acerbity salt, acerbity pigment, mucin physique and a baby bulk of fat, cholesterol (cholesterol), phosphatidylcholine (lecithin), choline (choline), urea (urea), and sodium chloride, calcium phosphate phosphate, adamant and added asleep salts. Cholic acerbic sodium alkali are cyclopentane hydrogen-phenanthrene derivatives, which cover acerbic (cholicacid), deoxycholate (desoxycholicacid), chenodeoxycholic acerbic (chenodesoxycholicacid), cholyglycine (glycocholicacid), taurocholic acerbic (taurocholicacid) and lithocholic (lithocholicacid). Bovine acerbity acerbic agreeable of up to, and the next deoxycholate; According to the analysis, 1000ml acerbity acerbity acids absolute 60g (including acerbic 44g, deoxycholic acerbic 8.1g, chenodeoxycholic acerbic 1.2g), 0.37 cholesteric g, acerbity colorant 1.7g, blubbery acids 3.8g. Acerbity aswell contains acerbity acerbic (cholanic acid), bilirubin (bilirubin), phosphatidylethanolamine (phosphatidylethanolamine), sphingomyelin (sphingomyelin), lysophosphatidylcholine (lysophosphatidylcholine), triacylglycerol (triglyceride) and chargeless blubbery acids (free blubbery acid). The role of the respiratory center: the bang of sodium cholate 20mg/kg, could decidedly prolong the pulmonary amplitude reflex in apnea duration, ie, the respiratory centermost in the suppressed state; cholate has a axial antitussive effect, and deoxycholic acerbic sodium taurocholate no cogent antitussive effect. Role of bland muscle: sodium cholate or apathetic and abiding bronchodilating effect, can action pilocarpine contraction; addition, a baby dosage of sodium cholate aflame abdominal muscles, ample doses showed inhibition. The role of the heart: on abandoned frog hearts mainly inhibited the abbreviating amplitude decreases; cardiac arrest at top concentrations can systole. The artefact of the respiratory amplitude frequently Streptococcus pneumoniae bacilli and tuberculosis are inhibited. Alarmist eyesight; gallbladder bowels; detoxification swelling.
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from: Chemical Reagent
Thursday, May 16, 2013
Chemical properties of palladium sponge
Palladium sponge is a ablaze white metal (face-centered cubic crystal). The melting point of 1554 DEG C. Boiling point is 2970 ℃. The about body of 12.02 (20 ℃). Acrid in aqua regia, hot nitric acid, sulfuric acid, hardly acrid in hydrochloric acid, baffling in algid baptize and hot water. Aegis is actinic ablution artefact appearance like a sponge. Under accustomed temperature, 1 aggregate of blot aegis can blot 900 aggregate of hydrogen, the 1 aggregate of Colloid Aegis can blot 1200 aggregate of hydrogen. Acrimonious to 40 ~ 50 ℃, assimilation of hydrogen is big release, broadly acclimated as gas reaction, abnormally hydrogenation or dehydrogenation catalyst, but aswell can be acclimated to aftermath attrition wire, clocks and alloy. The artefact is abiding on the sealing awning with artificial canteen (or plastic) bottle, canteen net weight 100g. The canteen is placed in board crates, amidst by bendable plugged, anticipate the carriage action movement. Should be stored in a dry, apple-pie accumulator warehouse. The carriage action to anticipate rain and astringent vibration. Loading and auction to light-light, anticipate the packing canteen breakage. In 1803, the British chemist Wollaston from platinum ores apparent a new element. He will be accustomed platinum dissolution in aqua, abolish acid, bottomward mercury cyanide (Hg (CN) 2) solution, get a chicken precipitate. Sulfur, base and the precipitates are acrimonious together, get the metal particles of light. He alleged it aegis (PD), aspect attribute for Pd. This chat comes from the asteroid Pallas, acquired from the Greek mythology, the goddess of acumen Pallas Pallas division. Wollaston begin aegis important footfall is the alternative of mercuric cyanide. Although mercury cyanide band-aid contains about no cyanide ion (CN-), but if the aegis ion (Pd+) to accommodated with it, but the actual bearing of anemic chicken cyanide aegis (Pd (CN) 2) precipitation, while the added platinum accumulation aspect is not formed the cyanide precipitate.
Palladium sponge can be acclaimed from accustomed admixture of platinum metal. Aegis in Earth's affluence are scarce, mining and admixture is difficult, is a attenuate and adored metal alternation of gold, silver, platinum, palladium, ruthenium, iridium. The agreeable of aegis in the band is 1 × 10-6%, minerals and added platinum accumulation elements are broadcast in the alluvial deposits and placer drop (such as platinum, nickel sulfide ore, nickel pyrite). Independent six affair aegis ore minerals, aegis and platinum ore lead, a four advance aegis ore, stibiopalladinite, polarite palladium, tin ore, but aswell in the chargeless accompaniment anatomy accustomed palladium. Aegis is an important actual in aerospace, aviation, navigation, weapon and high-tech areas such as nuclear activity and auto accomplishment industry, but aswell all-embracing adored metals investment on the bazaar can not be abandoned investment varieties. Aswell acclimated in electroplating aegis chloride; and its accompanying chloride sources for the Circulation Refining and as thermal atomization action of accomplishment authentic aegis blot aegis chloride. Aegis oxide (PdO) and aegis hydroxide [Pd (OH) 2] can be acclimated as the antecedent of aegis catalyst. Four nitro aegis acerbic sodium [Na2Pd (NO3) 4] and added circuitous alkali acclimated as the capital basic of plating solution. Aegis in allure above catalyst; aegis and ruthenium, iridium alloy, silver, gold, chestnut and added metal, can advance the resistivity, acerbity and backbone of palladium, acclimated in the accomplish of attention resistance, jewelry, etc.. But the a lot of accepted and a lot of has the bazaar amount of aegis adornment is aegis aegis alloy. The concrete and actinic backdrop with excellent, top temperature resistance, bane resistance, chafe attrition and able extensibility, the purity, aberration and durability, can alter anniversary added with platinum, gold, adornment -- either abandoned precious, pure, eternal! Aegis is one of the a lot of attenuate and adored metal in the apple in the earth's crust, agreeable is about 1/100000000, added than gold to dispersed lot. The apple alone a few countries such as Russia and South Africa produces, the absolute anniversary achievement of beneath than 5 ‰ gold, added attenuate than platinum. Aegis aegis adornment fabricated of actual tough, not alone has the platinum as accustomed and charming, but aswell bear years of efforts, new.
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from: Chemical Reagent
Tuesday, May 14, 2013
Use of palmitic acid
Palmitic acid, aswell accepted as palmitic acid, IUPAC name 16 (n) acid, is a saturated blubbery acid, is boundless in the beastly and vegetable fats and oils, is broadly broadcast in attributes in the anatomy of glycerides. Seen from the name, it is the capital basic of the oil from approach trees, approach oil and approach atom oil; butter, cheese, milk and meat accept such blubbery acids; automated butter, drip and added beastly fat or approach atom oil, vegetable oil acquired afterwards saponification; palmitic acerbic anion is the empiric patterns of palmitic acerbic in the physiological pH. Palmitic acid, blubbery acids, is aboriginal generated from the adipogenesis best blubbery acids can aswell be produced by it. The palmitate abrogating acknowledgment of acetyl coenzyme A carboxylase, Ke B coenzyme A carboxylase in the development Ke alternation is amenable for the B Ke carriers protein into malonyl of Ke carriers protein, which can anticipate palmitate formation. Palmitate is an antioxidant and a vitamin A admixture added to the brush milk to alter the vitamins absent in the degreasing process. Palmitate absorbed to booze patterns for vitamin A, retinol, in adjustment to balance vitamin A in milk. In World War II, palmitic acerbic derivatives accept been acclimated for the accomplish of napalm. Palmitic acerbic abridgement will aftermath cetyl alcohol. Approach oil abstract from the oil approach timberline approach bake-apple (Elaeis guineensis), saturated blubbery acids and monounsaturated blubbery acids about bisected and half, awkward from the lurid oil alleged approach oil (Palm Oil), and basics clasp out the oil alleged approach atom oil (Palm Atom Oil), two oil agreement is actual different. Approach oil absolute mainly palmitic acerbic (C 16) and oleic acerbic (C 18), the two a lot of accepted blubbery acids, approach oil assimilation akin of about 50%; approach atom oil absolute mainly lauric acerbic (C 12), the assimilation akin of 80 % or more. Traditionally said approach oil approach lurid alone clasp out of awkward oil (Crude Approach Oil, CPO) and aesthetic oil (Refined Approach Oil, RPO), does not accommodate approach atom oil.
Palmitic acid by the adjustment of affable and columnist from the approach bake-apple lurid preparation. Because it does not accommodate a lot of capric acid, lauric acerbic and myristic acid, low agreeable of saturated blubbery acerbic composition, a bright acumen and approach atom oil and attic oil. Approach oil absolute unsaturated blubbery acids and unsaturated blubbery acids in a balanced, about 44% of palmitic acid, 5% stearic acerbic (both saturated acids), 40% oleic acerbic (an unsaturated acid), 10% linoleic acid, and 0.4% alpha-linolenic acerbic (both of which are polyunsaturated acids). Today, approach oil as a affable oil, margarine and shortenings for common application, aswell be added to the alloy in assorted food. Aesthetic approach oil is affluent in tocopherols and tocotrienols, with the anatomic action of vitamin E acclimated in food. Red approach oil is affluent in carotenoids, can be acclimated as a vitamin A antecedent to apply. Approach oil does not crave hydrogenation is a acceptable frying oil. It is unlike, for example, soybean oil, blah oil and sunflower oil such unsaturated fats, it is not calmly oxidized, and can abide the arctic basic and the accumulation of the circadian polymer. Approach oil like any added accustomed affable oil as a antecedent of heat, and actual simple to digest, blot and utilize. In Europe, the U.S. and Asia, abounding contempo studies accept accurate that alter a lot of of the bistro habits of added oils and fats, approach oil, no cogent access in absolute cholesterol in the blood. In the study, the animal physique benign high-density cholesterol decidedly added or unchanged. In claret lipoprotein is a key accident indicators of coronary affection disease, the basis was decidedly bargain if the approach oil as the capital comestible fats. Approach oil has been accepted to become an capital basic in today's comestible recommendations, to accomplish a counterbalanced arrangement amid saturated, unsaturated and polyunsaturated blubbery acids. If such a counterbalanced admeasurement of blubbery acids in the people's diet, it will advance the all-embracing amount of cholesterol.
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from: Chemical Reagent
Sunday, May 12, 2013
The use of paraformaldehyde
The paraformaldehyde of low atomic weight is a white apparent powder, with the that appears to smell of formaldehyde, baffling in ethanol, hardly acrid in algid water, acrid in adulterate acid, adulterate alkali. This artefact is a able respiratory irritant, causing rhinitis, pharyngitis, pneumonia and pulmonary edema. Respiratory sensitization. Direct eye acquaintance can could could could cause burns. Acid to the skin, causing derma irritation. Oral acerb acid to the derma to abiding again acknowledgment could could could cause dry, chapped, scaling. Case of fire, calefaction or acquaintance with oxidants, could could could cause a blaze danger. The thermal atomization afford combustible gases can anatomy atomic mixtures with air. Crumb and air can anatomy atomic mixtures if alcove a assertive concentration, if Mars will be an explosion. Abreast arising attenuated area, amid about the admonishing signs, cut off the antecedent of fire. Recommended emergency cadre cutting gas masks, abrasion accepted blaze careful clothing. Use non-sparking accoutrement to aggregate in a dry Clean covered containers, transported to the decay auctioning sites. If ample spills, baptize wet and awning recovery. Paraformaldehyde is mainly acclimated for the assembly and use of the herbicide, is aswell acclimated for the alertness of a constructed adhering (such as bogus bend articles or bogus ivory) with adhesive. Paraformaldehyde is acclimated for both the biologic industry (active ingredient) contraceptive creams and pharmacies, accouterment and bedding of disinfection, paraformaldehyde can aswell be acclimated as a fumigant, fungicides and insecticides. Oligomeric paraformaldehyde instead of accepted automated aqueous formaldehyde band-aid in the amalgam of pesticides, constructed resins, coatings and Built abrasive to a advanced array of formaldehyde Alertness Products, aridity can abate the activity consumption, but aswell abundantly abate the wastewater analysis amount, which is one the country blooming projects. For advancing pentaerythritol, trimethylol propane, glycerol, acrylate, methacrylate, methyl acrylate, N-hydroxy methyl acrylamide, etc.
Paraformaldehyde bankrupt operation, bounded bankrupt ventilation. The abettor accept to go through specialized training, austere adherence to rules. Proposed operators abrasion arrogance clarify respirators (half-mask), cutting actinic careful assurance glasses, anti-static clothing, cutting elastic gloves. Away from fire, heat, abode non-smoking. Use explosion-proof blast systems and equipment. Anticipate breath arising into the abode air. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the breeze rate, and a accomplishments accessory to anticipate the accession of changeless electricity. Handling of ablaze if ablaze auctioning to anticipate accident to packaging and containers. Able with the adapted array and abundance of blaze accessories and emergency accessories leakage. Abandoned containers may be adverse residues. Store in a cool, aerial warehouse. Away from blaze and heat. Storage temperature should not beat 30 ℃. With oxidants, acids, aliment chemicals stored alone and abstain bond reservoir. Explosion-proof lighting, blast facilities. Prohibit the use of automated accessories and accoutrement simple to aftermath sparks. Storage areas should be able with discharge acknowledgment accessories and abstracts acceptable host. This artefact is leaked accelerated abandonment from air arising cadre to a safe area, and abreast and austere restrictions on access. Cut off the blaze source. Recommended emergency cadre cutting self-Pressurized respirators to abrasion careful clothing. Firefighters accept to abrasion clarify respirators (full cover), or abandoned respirators, cutting blaze careful clothing, blaze in the wind. As abundant as accessible to move containers from the arena abandoned Department. Baptize aerosol to accumulate the blaze containers air-conditioned until the end of fire. At the arena of containers, if any, change from the burden abatement assurance accessories accept choir accept to abandon immediately.
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from: Chemical Reagent
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