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单词 benzidine
释义 ben·zi·dine
\ˈbenzəˌdēn, -_də̇n\ noun
(-s)
Etymology: probably from German benzidin, blend of benzin benzine and -id -ide
: a white or reddish gray crystalline base NH2C6H4C6H4NH2 made usually by a series of reactions from nitrobenzene and used chiefly in making dyes (as Congo red), in chemical analysis, and in the detection of blood; 4,4′-biphenyl-diamine
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更新时间:2024/11/11 4:01:09