Direct and derivative spectrophotometric method for the determination of nickel(II) with 2,4-dihydroxy benzaldehyde isonicotinoyl hydrazone

被引：0

作者：

Babaiah, O ^{[1
]}

Satyanarayana, K ^{[1
]}

Reddy, PR ^{[1
]}

Reddy, VK ^{[1
]}

Reddy, TS ^{[1
]}

机构：

[1] Sri Krishnadevaraya Univ, Dept Chem, Anantapur 515003, Andhra Pradesh, India

来源：

JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 2006年 / 83卷 / 03期

关键词：

direct and derivative spectrophotometry; determination of nickel(II); substituted hydrazone;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A simple and sensitive spectrophotometric method has been developed for the determination of nickel(II) in aqueous medium. The metal ion forms an yellow coloured soluble complex with 2,4-dihydroxy benzaldehyde isonicotinoyl hydrazone (2,4-DHBINH) at pH 6.0 with lambda(max) at 400 nm. Beer's law is obeyed in the range of 0.059-1.17 mu g ml(-1) of Ni-II. The molar absorptivity and the Sandell's sensitivity of the method are 4.00 x 10(4) L mol(-1) cm(-1) and 0.0015 Ag cm(-2) respectively. The interference of various diverse ions has been studied. The complex has a 1 : 1 [Ni-II : 2,4-DHBINH] stoichiometry. A method for the determination of nickel(II) by first order derivative spectrophotometry has also been proposed.

引用

页码：259 / 262

页数：4

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