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pH dependence of the Au-CN species adsorbed onto activated carbon

被引：3
|
作者：
McGrath, AC [1 ]
Cashion, JD
Brown, LJ
Hall, JS
机构：
[1] Monash Univ, Sch Phys & Mat Engn, Clayton, Vic 3800, Australia
[2] CSIRO, Minerals Div, Clayton, Vic 3168, Australia
来源：
HYPERFINE INTERACTIONS | 2002年 / 139卷 / 1-4期
关键词：
D O I：
10.1023/A:1021250106947
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Adsorption from aqueous solution of KAu(CN)(2) onto activated carbon at low pH is shown to produce a mixture of Au(CN)(2)(-) and AuCN. The relative concentrations can be altered by aging, drying and heating and are reversible to some extent. The bonding strength also alters considerably during these changes.
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收藏
页码：471 / 477
页数：7
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