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人们很早就观察到,铟电解只能粗略地或部分地和它的共生金属分离。克莱钠脱和特雷依尔证实,在标准电位次序中他于锌之前的金属不能和铟分离,虽然 In~(+3)离子和 Zn 离子的标准电位相差0.43伏以上。最近作者详细地研究了铟的电化学行为,并且确定只有一价状态的铟可以电析出来,In~(+1)离子是非常容易氧化的,其对标准氢电极的氧化还原电位约-0.4伏。当阴极区域和阳极区域用隔膜很好地隔开时,金属铟
It has long been observed that indium electrolysis can only be roughly or partially separated from its intergrowth metal. Cleburne and Terrell confirmed that his metal prior to zinc in the standard potential order could not be separated from indium although the standard potentials of In ~ (+3) ions and Zn ions differed by more than 0.43 volts. Recently, the authors studied the electrochemical behavior of indium in detail and determined that indium in a monovalent state can be electrolytically precipitated. In ~ (+1) ions are very easily oxidized and have a redox potential of about -0.4 for a standard hydrogen electrode Volt. When the cathode region and the anode region are well separated by a separator, the metal indium