benzidine 的定义
Chemistry.
- a grayish, crystalline, slightly water-soluble, basic compound, C12H12N2, usually derived from nitrobenzene: used chiefly in the synthesis of certain azo dyes, especially Congo red.
更多benzidine例句
- Thus diazotised benzidine and tolidine combine with salicylic acid to form valuable yellow azo-dyes known as “chrysamines.”
- Benzidine (Wallis) has also been suggested for the detection of free chlorine.
- Ellms and Hauser investigated benzidine in 1913 and found it to be inferior to o-tolidine as a test reagent for free chlorine.
- It is impossible to attempt to specify by name any of these recent benzidine and tolidine dyes.