EXTRACTION SPECTROPHOTOMETRIC DETERMINATION OF VANADIUM IN STEELS WITH THIOSALICYLIC ACID (TSA)

被引：0

作者：

SALINAS, F ^{[1
]}

MARTINEZVIDAL, JL ^{[1
]}

MARTINEZGALERA, M ^{[1
]}

机构：

[1] FAC SCI ALMERIA,DEPT ANALYT CHEM,ALMERIA,SPAIN

来源：

BULLETIN DES SOCIETES CHIMIQUES BELGES | 1992年 / 101卷 / 11期

关键词：

THIOSALICYLIC ACID; VANADIUM; EXTRACTION; SPECTROPHOTOMETRY;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this paper thiosalicylic acid (TSA) is proposed for a simple, rapid and selective method for the spectrophotometric determination of vanadium based upon the formation of the TSA-vanadium complex and Its extraction into Adogen 464-toluene solution. Under optimum operating conditions, a green colour is formed when the complex is extracted, from weak acidic 40 % ethanolic solution, in the organic solvent (apparent molar absorptivity 1,700 L.mol-1.cm-1 at wavelength of 600 nm).The relative error is 2.3 %, In the determination of 16 mug.mL-1 of vanadium, and its limit of detection is 3 mug.mL-1. The method has been applied to the determination of vanadium in steels.

引用

页码：931 / 933

页数：3

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