EXTRACTION AND SPECTROPHOTOMETRIC DETERMINATION OF VANADIUM IN STEELS AND PETROLEUM CRUDES WITH MANDELOHYDROXAMIC ACID (MHA)

被引：0

作者：

MARTINEZVIDAL, JL

GONZALEZMURCIA, V

SALINAS, F

机构：

[1] Univ of Coll, Spain

来源：

INDIAN JOURNAL OF TECHNOLOGY | 1989年 / 27卷 / 09期

关键词：

Petroleum Analysis - Vanadium Determination - Spectrophotometers - Vanadium Compounds - Spectroscopic Analysis;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A spectrophotometric method for the determination of vanadium, based on the extraction in Adogen 464-toluene solution of the mixed ligand complex with MHA, V(V) and oxalate, is proposed. The method allows determination of 21-90 μg of V(V). The values of the error and molar absorptivity are 0.9% and 15,700L mol-1 cm-1, respectively. The levels of interference caused by several foreign ions have been established. The method has been applied with success to the determination of vanadium in petroleum crudes and steels.

引用

页码：451 / 453

页数：3

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