A RAPID AND SENSITIVE SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF HYDROGEN PEROXIDE BY USING A REDOX REACTION

被引：0

作者：

Narayana, B. ^{[1
]}

Sreekumar, N. V. ^{[1
]}

Shetty, D. N. ^{[1
]}

机构：

[1] Mangalore Univ, Dept Postgrad Studies & Res Chem, Mangalagangothri 574199, Karnataka, India

来源：

OXIDATION COMMUNICATIONS | 2013年 / 36卷 / 02期

关键词：

hydrogen peroxide; spectrophotometry; potassium iodide; variamine blue; RAINWATER; WATER;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A simple, rapid and sensitive spectrophotometric method is described for the determination of hydrogen peroxide using variamine blue (VB) as a chromogenic reagent. The proposed method is based on the liberation of iodine in acidic medium equivalent to the amount of hydrogen peroxide present, which oxidises variamine blue to form a violet coloured species having an absorption maximum at 560 nm. Hydrogen peroxide is determined in the range 0.8 to 8.0 x 10(-4) M. The Beer law limits, precision and accuracy of the method are checked by the UV reference method. The method is successfully adopted for various rainwater samples.

引用

页码：415 / 421

页数：7

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