GRAVIMETRIC-DETERMINATION OF VANADIUM AS V(IV)-OXINATE

被引：0
|
作者：
KAUR, S [1 ]
CHHAKKAR, AK [1 ]
KAKKAR, LR [1 ]
机构：
[1] KURUKSHETRA UNIV,DEPT CHEM,KURUKSHETRA 132119,HARYANA,INDIA
来源：
CHEMIA ANALITYCZNA | 1993年 / 38卷 / 05期
关键词：
VANADIUM(V); OXINE; 8-HYDROXYQUINOLINE; GRAVIMETRY;
D O I：
暂无
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A very simple gravimetric method for the determination of vanad;um has been worked out. In acid medium vanadium is reduced to tetravalent state which forms greenish-black precipitate with 8-hydroxyquinoline (2 % in 2 mol l(-1) CH3COOH) in the presence of ammonium acetate. The precipitate is dried and weighed as VO(C9H6ON)(2). The conversion factor for vanadium is 0.1437. The method is free from the interference of molybdenum(VI), chromium(III,VI), uranium(VI), selenium(IV), arsenic(III), bismuth(III), lead(II), calcium(II), manganese(II) and magnesium(II).
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页码：639 / 644
页数：6
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