Simultaneous second derivative spectrophotometric determination of nickel(II) and copper(II) using diacetylmonoxime isonicotinoyl hydrazone

被引：0

作者：

Chandrasekhar, KB ^{[1
]}

Reddy, KH ^{[1
]}

机构：

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

来源：

INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY | 2002年 / 41卷 / 08期

关键词：

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A derivative spectrophotometric method, based on the use of second-derivative absorption spectra, has been developed for the simultaneous determination of nickel(II) and copper(II) in aqueous medium using diacetylmonoxime isonicotionyl hydrazone (DMIH). The reagent gives intense colour reaction with nickel(II) and copper(II) in basic medium: The zero-order spectrophotometric method for the determination of these metal ions has been developed in aqueous medium. The molar absorptivity and Sandell's sensitivity for nickel(II) and copper(II) are 1.75 x 10(4); 1.12 x 10(4) lit. mol(-1) cm(-1) and 0.00335, 0.00565 mug of metal/cm(2) respectively. Beer's law is obeyed in the range 0.235-2.35 and 0.25-2.54 mug/ml for Ni(II) and Cu(II) respectively. The proposed simultaneous method involves the use of peak-to-base line measurement techniques.

引用

页码：1643 / 1645

页数：3

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