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在含S~(2-)的氢氧化钠溶液中,静汞电极的阳极极化过程除电化学反应外,同时还存在化学反应。其结果是电极表面生成“硫化汞”膜。初步认为膜的第一层“硫化汞”结构不同于六方晶系的红色硫化汞或正方晶系的黑色硫化汞:硫离子的强烈特性吸附可能与构成膜的硫化汞分子结构有关并明显影响膜的形成过程,因此研究溶出波的定量条件时必须全面考虑这些因素。
In S ~ (2-) -containing sodium hydroxide solution, the anodic polarization process of mercury electrode in addition to the electrochemical reaction, but also chemical reaction. The result is a “mercuric sulfide” film on the surface of the electrode. It is preliminarily thought that the first layer of “mercuric sulfide” structure of the film is different from the hexagonal red mercuric sulfide or the orthorhombic black mercuric sulfide: the strong characteristic adsorption of sulfur ions may be related to the molecular structure of mercuric sulfide and obviously affects the membrane Of the formation process, so the quantitative conditions of the dissolution of the wave must take full account of these factors.