Highly sensitive spectrophotometric determination of chromium (VI) with some arsenazo group reagents

被引：0

作者：

Yu, JH ^{[1
]}

Yang, QT ^{[1
]}

机构：

[1] Shandong Inst Bldg Mat, Dept Appl Chem, Jinan 250022, Peoples R China

来源：

CHINESE JOURNAL OF ANALYTICAL CHEMISTRY | 1999年 / 27卷 / 11期

关键词：

Spectrophotometry; decolorization; chromium(VI); arsennazo group reagents;

D O I：

暂无

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The decolorization of arsennazo group reagents such as arsenate III ,dibromonitroarsenazo and dibromocarboxyarsenazo, with Cr2O72- were studied. In the medium of nitric acid, the reactions have high sensibility, The molar absorptivities of FLU the reactions are more than 1 . 0 similar to 10(5). So a new method for determining trace chromium is developed, which is the one of the most sensitive method. It has been used to the determination of chromium in water and alloy steel.

引用

页码：1309 / 1312

页数：4