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
收藏
页码：415 / 421
页数：7
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