Kinetics of oxidation of azo dyes by CrVI using oxalic acid in absence and presence of micelle forming surfactants

被引：0

作者：

Radjarejesri, S. ^{[1
,2
]}

Reddy, I. Ajit Kumar ^{[3
]}

Sarada, N. C. ^{[1
]}

机构：

[1] VIT Univ, Sch Adv Sci, Div Chem, Vellore 632014, Tamil Nadu, India

[2] Sona Coll Technol, Dept Chem, Salem 636005, Tamil Nadu, India

[3] Natl Inst Technol, Dept Chem, Warangal, Andhra Pradesh, India

来源：

JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 2015年 / 92卷 / 06期

关键词：

Ponceau-S; chromic acid; oxalic acid; kinetic studies; sodium dodecyl sulphate;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Kinetic studies on the oxidation of aromatic azo compounds Ponceau-S and Fast Sulphon: Black-F using chromic acid catalysed by oxalic acid was investigated in absence and presence of cationic surfactant (CTAB) and anionic surfactant (SDS). An appreciable rate constant obtained from the kinetic investigation revealed the feasibility of the reaction. Mechanism, already reported has been found consistent with the experimental findings. The oxidation reaction of both the dyes were found to be inhibited in presence of CTAB and showed no effect in presence of SDS.

引用

页码：1015 / 1018

页数：4

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