- benzidine yellow
- 联苯胺黄
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
benzidine yellow
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benzidine yellow — noun : any of several azo pigments see dye table I (under Pigment Yellow 12) … Useful english dictionary
benzidine — A grayish yellow, white or reddish gray crystalline powder; its an organic synthesis, manufacture of dyes especially of Congo red. Also used for the detection of blood stainand as a stiffening agent in rubber compounding … Forensic science glossary
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… … Universalium
stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… … Medical dictionary
Azo compound — General chemical formula of azo compounds Azo compounds are compounds bearing the functional group R N=N R , in which R and R can be either aryl or alkyl. IUPAC defines azo compounds as: Derivatives of diazene (diimide), HN=NH, wherein both… … Wikipedia
nitrobenzene — /nuy troh ben zeen, ben zeen /, n. Chem. a pale yellow, toxic, water soluble liquid, C6H5NO2, produced by nitrating benzene with nitric acid: used chiefly in the manufacture of aniline. Also called nitrobenzol /nuy troh ben zawl, zol/. [1865 70;… … Universalium
Acid dye — is a member of a class of dye that is applied from an acidic solution. In the home or art studio, the acid used in the dyebath is often vinegar (acetic acid) or citric acid. The uptake rate of the dye is controlled with the use of sodium chloride … Wikipedia
