Effect of Some Non Functional Surfactants and Electrolytes on the Hexavalent Chromium Reduction by Glycerol: A Mechanistic Study

被引：12
|
作者：
Basu, A. [1 ]
Ghosh, S. K. [1 ]
Saha, R. [1 ]
Nandi, R. [1 ]
Ghosh, T. [2 ]
Saha, B. [1 ]
机构：
[1] Univ Burdwan, Dept Chem, Burdwan 713104, W Bengal, India
[2] ABN Seal Coll, Dept Chem, Cooch Behar 736101, WB, India
来源：
TENSIDE SURFACTANTS DETERGENTS | 2011年 / 48卷 / 06期
关键词：
carcinogen; hexavalent chromium; glycerol; non functional surfactants; PICOLINIC-ACID; OXIDATION; KINETICS; CANCER; MEDIA;
D O I：
10.3139/113.110152
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Hexavalent chromium is a widespread environmental contaminant and a known human carcinogen. Kinetics of reduction of hexavalent chromium by bio-molecule glycerol in micellar media have been studied spectrophotometrically. The cytoplasmic reduction of hexavalent chromium to trivalent chromium occurs in micro-heterogeneous systems. In vitro, the micelles are considered to mimic the cellular membranes. The electron transfer processes occurring in the micellar systems is considered as model to obtain insight into the electron transport process prevailing in biological systems. Mice liar media is also a probe to establish the mechanistic paths of reduction of hexavalent chromium to trivalent chromium. Effects of electrolytes common to biological system are studied to establish the proposed reaction mechanism strongly.
引用
收藏
页码：453 / 458
页数：6
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