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首页> 外文期刊>Journal of the Indian Chemical Society >Kinetics of oxidation of azo dyes by Cr-VI using oxalic acid in absence and presence of micelle forming surfactants
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Kinetics of oxidation of azo dyes by Cr-VI using oxalic acid in absence and presence of micelle forming surfactants

机译:在不存在胶束形成表面活性剂的情况下,使用草酸通过Cr-VI氧化偶氮染料的动力学

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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.
机译:在不存在和不存在阳离子表面活性剂(CTAB)和阴离子表面活性剂(SDS)的情况下,研究了草酸催化铬酸催化芳香族偶氮化合物Ponceau-S和Fast Sulphon:Black-F氧化的动力学。由动力学研究获得的明显的速率常数揭示了该反应的可行性。已发现的机理与实验发现相符。发现在CTAB存在下两种染料的氧化反应均被抑制,而在SDS存在下则无作用。

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