CHROMIUM(VI) OXIDATION OF ANTIMONY(III) IN AN AQUEOUS ALKALINE-MEDIUM

被引：0
|
作者：
HUGAR, GH [1 ]
NANDIBEWOOR, ST [1 ]
RAJU, JR [1 ]
机构：
[1] KARNATAK UNIV,DEPT CHEM,DHARWAR 580003,KARNATAKA,INDIA
来源：
INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY | 1993年 / 32卷 / 12期
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Chromium(VI) oxidation of antimony(III) in an alkaline medium follows a second order rate law with negative fractional dependence on [OH-]. The active species are CrO42+ and SbO+ and the negative dependence on [OH-] is due to the formation of SbO+ from antimony hydroxide species. The effect of ionic strength, solvent polarity, added complexing agent and ions is also studied. Activation parameters have also been evaluated.
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页码：1095 / 1098
页数：4
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