SPECTROPHOTOMETRIC DETERMINATION OF COBALT WITH DI-2-PYRIDYL KETONE BENZOYLHYDRAZONE

被引：16

作者：

ZATAR, NA

ALNURI, MA

ABUEID, M

HANNOUN, M

ABUZUHRI, AZ

KHALAF, S

KHAMIS, M

机构：

[1] Chemistry Department, An-Najah National University, Nablus, West Bank

[2] College of Science and Technology, Abu-Dis, West Bank

来源：

SPECTROSCOPY LETTERS | 1991年 / 24卷 / 09期

关键词：

COBALT (II); COBALT ALLOY; DI-2-PYRIDYL KETONE BENZOYLHYDRAZONE SPECTROPHOTOMETRIC DETERMINATION;

D O I：

10.1080/00387019108018178

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A method for the spectrophotometric determination of cobalt (II) by complexation with di-2-pyridyl ketone benzoylhydrazone (DPKBH) in 50% (v/v) ethanolic solution is described. Cobalt (II) forms a 1:2 complex with DPKBH. The complex has maximum absorbance at 370 nm. Beer's law is obeyed over the range 0.1 - 2.8-mu-g.ml-1. The effect of pH, effect of excess reagent, stability of the complex and the tolerance limit of many metal ions have been reported. The method is applied to the determination of cobalt in different alloys containing other metals ions.

引用

页码：1145 / 1152

页数：8

共 10 条

[1]

FURMAN NH, 1962, STANDARD METHODS CHE, V1, P876

[2]

GARICIA M, 1986, APPL SPECTROSC, V40, P1058

[3] ANALYTICAL APPLICATIONS OF HYDRAZONES [J].