Mechanochemical transformations and reactivity in copper sulphides

被引:28
作者
Baláz, P
Takacs, L
Boldizárová, E
Godocíková, E
机构
[1] Slovak Acad Sci, Inst Geotech, Kosice 04353, Slovakia
[2] Univ Maryland Baltimore Cty, Dept Phys, Baltimore, MD 21250 USA
基金
美国国家科学基金会;
关键词
chalcogenides;
D O I
10.1016/S0022-3697(03)00189-6
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Mechanochemical transformations of copper sulphides were induced by processing in a Fritsch Pulverisette 6 planetary mill. The main changes during high-energy milling are the phase transformations of the djurleite (Cu194S)-S-. which is the main phase in a starting material. Digenite, which is in fact a group of copper sulphides (Cu1.80S, Cu1.765S and Cu9-xS5, respectively) together with chalcocite (Cu1.96S and Cu2S, respectively) are the main phases among the mechanochemical products. The reactivity of the products is compared to their physico-chemical transformations during high energy milling. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1413 / 1417
页数:5
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