Spectrophotometric determination of trace amounts of vanadium(V) with isothipendyl hydrochloride

被引：0
|
作者：
Melwanki, MB [1 ]
Seetharamappa, J [1 ]
机构：
[1] Karnatak Univ, Dept Chem, Dharwad 580003, Karnataka, India
来源：
INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY | 2000年 / 39卷 / 04期
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D O I：
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Isothipendyl hydrochloride is proposed as a selective and sensitive reagent for the rapid spectrophotometric determination of vanadium(V). The reagent instantaneously forms a red coloured species with vanadium(V) in phosphoric acid medium which exhibits maximum absorbance at 500 nm with Sandell's sensitivity of 6.55 ng cm(-2). Beer's law is valid over the concentration range of 0.2-4.8 ppm with an optimum concentration range of 0.4-4.5 ppm. The method has been successfully applied to the analysis of vanadium steels and. minerals.
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页码：465 / 467
页数：3
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