KINETICS AND MECHANISM OF OSMIUM(VIII) CATALYZED OXIDATION OF URIC-ACID WITH N-CHLORO-P-TOLUENESULFONAMIDE (CHLORAMINE-T) IN ALKALINE-MEDIUM

被引：3
|
作者：
SHARMA, N [1 ]
MISHRA, SK [1 ]
SHARMA, PD [1 ]
机构：
[1] UNIV RAJASTHAN, DEPT CHEM, JAIPUR 302004, RAJASTHAN, INDIA
来源：
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 1992年 / 65卷 / 04期
关键词：
D O I：
10.1246/bcsj.65.1125
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The kinetics of oxidation of uric acid (UaH2) by chloramine-T (CAT) studied in the presence of osmium(VIII) in alkaline medium conform to a rate law (i) -d[CAT]/dt = {k1 + k2K2[OH-] + k3K2K3[Os(VIII)][OH-]}[CAT]T[UaH2]T, where K2 and K3 are second dissociation constant of uric acid and formation constant of an intermediate complex respectively. Osmium(VIII) catalyzes the reaction intramolecularly via redox cycle of Os(VIII)/Os(VI).
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页码：1125 / 1130
页数：6
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