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Kinetics of gold dissolution in thiosemicarbazide solutions

被引：0
|
作者：
Kozin L.F. [1 ]
Danil'tsev B.I. [1 ]
机构：
[1] V. I. Vernadskii Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine, 03142 Kyiv
来源：
Theoretical and Experimental Chemistry | 2004年 / 40卷 / 5期
关键词：
Activation energy; Gold; Rate constants; Stability and equilibrium constants; Thiosemicarbazide;
D O I：
10.1023/B:THEC.0000049082.42003.d7
中图分类号：
学科分类号：
摘要：
The kinetics of gold dissolution in thiosemicarbazide solutions was studied relative to the ratio of ferric ion and thiosemicarbazide concentrations as well as pH. The composition of the complex formed was found to be [Au(NH 2)2NHC=S3]+. The rate constants for gold dissolution were determined at 278-298 K along with the stability, dissociation, and equilibrium constants at 288 K. The activation energy at 288 K was also found. ©2004 Springer Science+Business Media, Inc.
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页码：337 / 343
页数：6
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