| 表生条件下硫化物溶解氧化的控制因素 |
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| 引用本文： | 赵晓鸥.表生条件下硫化物溶解氧化的控制因素[J].桂林工学院学报,1992(4). |
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| 作者姓名： | 赵晓鸥 |
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| 作者单位： | 桂林冶金地质学院地质矿产勘查系 |
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| 摘 要： | 从硫化矿物的化学键、溶度积、溶解度以及导电性方面综合讨论了表生条件下硫化矿物的相对稳定性,提出几种情况下建立的硫化物溶解氧化电化学性质及反应的动力学性质。硫化物的溶解氧化过程实际上是在水电解质溶液与硫化物的界面处发生的复杂电极反应过程,包括一系列物理作用和化学
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| 关 键 词： | 硫化物 电化学 动力学 表生带 |
FACTORS CONTROLLING DISSOLUTION-OXIDATION OF SULFIDES IN THE SURFICIAL BELT |
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| Zhao Xiaoou.FACTORS CONTROLLING DISSOLUTION-OXIDATION OF SULFIDES IN THE SURFICIAL BELT[J].Journal of Guilin University of Technology,1992(4). |
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| Authors: | Zhao Xiaoou |
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| Affiliation: | Zhao Xiaoou Department of Exploration Geology,Guilin College of Geology |
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| Abstract: | In the view of chemical bond, solubility product, solubility and con-ductance of sulfides, this paper summarises the relative stability of somesulfides in the surficial belt, proposes some electrochemical "oxidationcells" and as an example, discusses the kinetics of oxidation reaction ofpyrite. The dissolution-oxidation of sulfides may be an electrochemicalprocess, so the telative stability of sulfides is essencially controlled bytheir electrochemicl properties and the kinetic characteristics of oxidaton-reaction. Sulfides should play the reaction electrodes in natural electro-chemical system, and many complicated electrode reactions, including phy-sical and chemical processes, occur on the interface between electrolytesolution and sulfides. |
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| Keywords: | sulfides electrochemistry kinetics surficial belt |
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