Solvent extraction of gold(III) by octadecyldimethylbenzylammonium chloride (ODMBAC) from chloride solution

被引：0
|
作者：
Guo, JX [1 ]
Sun, X [1 ]
Yin, ZL [1 ]
Li, XM [1 ]
Yu, HY [1 ]
Yang, YZ [1 ]
Sun, SX [1 ]
机构：
[1] Shandong Univ, Sch Chem & Chem Engn, Jinan 250100, Shandong Prov, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2003年 / 256卷 / 03期
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D O I：
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中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The mechanism of solvent extraction of gold(III) in hydrochloric acid media with quaternary ammonium salt octadecyl dimethyl benzyl ammonium chloride dissolved in chloroform was studied. The influences of temperature, NaCl and HCl concentraction on the extraction equilibrium were also investigated. The extraction reaction is exothermic (DeltaHdegrees = -28.53 +/- 0.15 kJ/mol) and log K-ex = 5.47 +/- 0.04.
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页码：595 / 598
页数：4
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