Pyrogallol azo derivatives as analytical reagents for determining nickel(II)

被引：0
|
作者：
R. A. Alieva
V. I. Melikova
F. M. Chyragov
机构：
[1] Baku State University,Department of Chemistry
来源：
Journal of Analytical Chemistry | 2007年 / 62卷
关键词：
Stability Constant; Benzidine; Photometric Determination; Dimethylglyoxime; Volcanogenic Rock;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Reagents based on bis-(2,3,4-trihydroxyphenylazo)benzidine and 2,2′,3,4-tetrahydroxy-3′-sulfo-5′-nitroazobenzene were used for the spectrophotometric determination of nickel. The optimum complexation conditions were found and the stability constants of the nickel complexes were determined. The effect of foreign ions and masking substances on the complexation was studied. The procedure was used for the photometric determination of nickel in volcanogenic rocks.
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页码：526 / 529
页数：3
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