USE OF REDOX REACTIONS IN ANALYSIS OF DYES AND DYE INDUSTRY INTERMEDIATES .4. OXIDATION OF BENZIDINE, ORTHO-TOLIDINE, AND ORTHO-DIANISIDINE WITH CHLORAMINE-T AND N-BROMOSUCCINIMIDE

被引:7
作者
BAREK, J
BERKA, A
JAKUBEC, K
机构
[1] Department of Analytical Chemistry, Charles University
关键词
D O I
10.1016/0026-265X(78)90087-5
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The oxidation of benzidine, o-tolidine, and o-dianisidine with chloramine T and N-bromosuccinimide was studied, the stoichiometry was established, and a mechanism was proposed. An extraction-photometric determination of these diamines was developed, based on the reaction with excess chloramine T or N-bromosuccinimide and the measurement of the absorbance of the N,N′-dihalogeno-diphenoquinonediimines formed, after their extraction into chloroform. © 1978.
引用
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页码:341 / 352
页数:12
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