Spectrophotometric Method for the Determination of Cobalt with N,N′-Bis(2-Aminobenzoyl)Ethylenediamine

被引：0

作者：

Girish Kumar K.P. ^{[1
]}

Muthuselvi K.R. ^{[2
]}

机构：

[1] Department of Applied Chemistry, Cochin Univ. of Sci. and Technology

[2] Department of Chemistry, Gandhigram Rural Institute, Gandhigram, 624302, Tamilnadu

来源：

Mikrochimica Acta | 2001年 / 137卷 / 1-2期

关键词：

Cobalt(ii) determination; Industrial effluents and alloys; N; n'-bis(2-aminobenzoyl)-ethylenediamine; Spectrophotometry;

D O I：

10.1007/s006040170023

中图分类号：

学科分类号：

摘要：

A simple and direct spectrophotometric method has been developed for the determination of cobalt(II) using N,N′-Bis(2-aminobenzoyl)ethylenediamine (Baben). The method is based on the colour reaction between Baben and cobalt(II) in borax buffer (pH 9.2). The studies are carried out at 470 nm at which the calculated value of molar absorptivity is found to be 1.102 × 104 L mol-1 cm-1. The system obeys Beer's law over a wide range of concentration (2-20 μg/ml). The effect of interfering ions has been studied and the method was applied to the determination of cobalt in water, industrial effluents and in alloys and the results were highly satisfactory.

引用

页码：25 / 28

页数：3

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