ANALYTICAL APPLICATIONS OF ISONICOTINOYL HYDRAZONES .2. SPECTROPHOTOMETRIC DETERMINATION OF ALUMINUM WITH 1-ISONICOTINOYL-2-SALICYLIDENE HYDRAZINE AS CHROMOGENIC REAGENT

被引：23

作者：

VASILIKIOTIS, GS

TOSSIDIS, JA

机构：

[1] Laboratories of Analytical and Inorganic Chemistry, University of Thessaloniki, Thessaloniki

来源：

MICROCHEMICAL JOURNAL | 1969年 / 14卷 / 03期

关键词：

D O I：

10.1016/0026-265X(69)90062-9

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A spectrophotometric method is described for the microdetermination of aluminum in acidic medium (pH 5.0) with the title compound. Spectrophotometric studies show the formation of 1:1 (ligand:A1) water-soluble complex and the reaction is suitable for photometric determination of 0.5-3.5 ppm of aluminum. Beryllium does not react with this reagent and aluminum can be determined in the presence of 100-fold quantity of beryllium. The molar absorptivity of the complex at 375 mμ is ε ~ 12,700 and the apparent formation constant at pH 5.0 is of the order of 106. The interference due to a number of ions has been studied. © 1969.

引用

页码：380 / +

页数：1

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