Acid-base catalyxed reaction 酸性溶剂 Acid-base catalyzed reaction 酸碱催化反应 Activating group 活化基团 Acyl cation 酰[基]正离子 Acyl rearrangement 酰基重排 Acylation 酰化 Acyloin condensation 偶姻缩合 Acylolysis,acyl cleavage 酰基裂解 acyloxyation 酰氧基化 Addition-elimination mechanism 加成消除机理 A...
In dilute alkali, it will be hydrolyzed into chloroform and carbon dioxide. Formic acid is formed in concentrated alkali. It is a strong corrosion products with a oral LD50 being 3320mg / kg.Trichloroacetic acid is a strong organic acid with a dissociation constant K = 3 × 10-2. It ...
Storage and transport characteristics :Complete packaging; light loading and unloading; warehouse ventilation; away from the fire and high temperature; stored separately with oxidants and alkali. Fire extinguishing agent : foam, dry powder, carbon dioxide, sand View all Description Isobutyric acid has...
Reacts with strong alkalies and most metals. Strong caustics, most metals [Note: Readily reacts with metals to form flammable hydrogen gas. DO NOT MIX WITH SOLUTIONS CONTAINING BLEACH OR AMMONIA]. Mixtures with nitromethane are explosive. Reacts with chlorides + stainless steel to form explosive...
ratio of 1:10 (w/v) at 4 °C with stirring for 24 h to remove water-soluble substances and non-collagenous protein, respectively, and the alkali solution was refreshed every 8 h. The samples were then repeatedly washed with distilled water until a neutral pH of washing water was obtained...
Chemical PropertiesWhite needle-like crystals (ethanol), odorless, tasteless. Unstable to acid and alkali. Insoluble in water, soluble in methanol, ethanol, ethyl ether, acetone and chloroform. OccurrenceThe ingredient is mainly extracted from the leaves of Olea europaea and Viscum album L. Besides...
Oxalic acid can react with many metals to produce oxalic acid salt. In addition to the alkali metal salt and bivalent iron salts with the rest of the oxalic acid salt being poorly soluble in water. Some metal salt, although is poorly soluble in water, can generate complex that is soluble ...
(PC88A), one of the most effective, commercial acidic organophosphorus extractants for rare earths. The influence ofalkali metalions on the extraction of Ln(III) using176and322was studied [384]. For example,176demonstrated selectivity for lighter and heavier Ln(III) ions in theabsenceand ...
dNTP and buffer. Rolling cycle amplification was used to duplicate DNA molecules in the PCR reaction. DNA nanoball (DNB) was generated which contain multiple copies of DNA. Sufficient quality DNBs loaded into patterned nanoarrays using high-intensity DNA nanochip technique and sequenced through combi...
Alkali and thermal treatment in filtration and precipitation was used to remove cyanuric acid from wastewaters.Dissolved cyanurate salts are removed from water by treatment with an aq soln of sodium hypochlorite, whereby most of the cyanurate is converted to nitrogen, carbon dioxide, and sodium chlori...