原电池
氧化还原
标准电极电位
电极
化学
无机化学
参比电极
电化学
分析化学(期刊)
物理化学
色谱法
作者
H.W. Jenkins,G. Mamantov,D.L. Manning
出处
期刊:Journal of The Electrochemical Society
[The Electrochemical Society]
日期:1970-01-01
卷期号:117 (2): 183-183
被引量:21
摘要
The standard electrode potentials (E°) of the following redox couples were determined in molten and at 500°C from emf measurements on galvanic cells using Ni(II)/Ni reference electrode, contained in a boron nitride compartment. The E° of the Ni(II)/Ni couple was set at 0.000V. In : Be(II)/Be −2.120V, Zr(IV)/Zr −1.792V (not E°), Cr(II)/Cr −0.701V, Cr(III)/Cr(II) −0.514V, Fe(II)/Fe −0.410V, and Fe(III)/Fe(II) 0.166V. In : Fe(II)/Fe −0.390V and Fe(III)/Fe(II) −0.200V. The more anodic value of E° of the Fe(III)/Fe(II) couple (as compared to the Fe(II)/Fe couple) in in comparison to reflects the higher acidity (modified Lux‐Flood concept) of the melt.
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