Determination of Trace Iron in KH2PO4 Crystal by Derivative Adsorption Chronopotentiometry

被引：0

作者：

Xiaoli Zhang

Chong Tian

Nan Zhang

Yunfang Zhao

机构：

[1] Shandong University,Department of Chemistry and Chemical Engineering

来源：

Microchimica Acta | 2004年 / 148卷

关键词：

Key words: Iron; Eriochrome blue black R (EBBR); chronopotentiometry.;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A sensitive derivative adsorption chronopotentiometric method was developed to determine trace amounts of Fe3+. The influence of preconcentration time, pH of solution and constant reducing current of the peak height is discussed. The detection limit and the linear range are 5.0 × 10−10 and 2.0 × 10−9∼3.0 × 10−6 mol L−1, respectively. The method was used to determine trace Fe3+ in KH2PO4 crystals (KDP).

引用

页码：55 / 58

页数：3