THE STRUCTURE AND COMPLEXATION EQUILIBRIA OF COPPER(II) WITH 4-((4)OVER-BAR-NITROPHENYL)AZO-2-PHENYLOXAZOLIN-5-ONE

被引：1

作者：

BELAL, AAM

机构：

[1] Chemistry Department, Faculty of Science, Assuit University, Aswan

来源：

TRANSITION METAL CHEMISTRY | 1995年 / 20卷 / 04期

关键词：

D O I：

10.1007/BF00139136

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A spectrophotometric method for determining trace amounts of Cu-II using 4-(($) over bar 4-nitro-phenyl)azo-2-phenyloxazolin-5-one has been devised. With this reagent, Cu-II forms a stable chelate, in the 6-9.5 pH range which obeys Beer's law at 555 nm with a molar absorptivity of 4.50 x 10(3) mol(-1) cm(2). Other copper-group metals do not interfere with this process. The stoichiometry and stability constant of the copper chelate has been determined using spectrophotometric, potentiometric and conductometric methods.

引用

页码：384 / 387

页数：4

共 28 条

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