Standard hydrogen electrode

Japanese: standard hydrogen electrode(英語表記)standardhydrogenelectrode
Standard hydrogen electrode

…The equilibrium electrode potential of this electrode is a function of the pH of the solution and the partial pressure of the hydrogen gas being aerated. In particular, a hydrogen electrode when the activity of hydrogen ions in the solution is 1 and the partial pressure of the hydrogen gas being aerated is 1 atmosphere is called a standard hydrogen electrode. This is used as the most standard reference electrode, and for convenience, its equilibrium electrode potential is often assumed to be zero at all temperatures. …

*Some of the terminology that mentions "standard hydrogen electrode" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この電極の平衡電極電位は,溶液のpHや,通気する水素ガスの分圧の関数である。とくに,溶液中の水素イオンの活量が1で,通気する水素ガスの分圧が1気圧のときの水素電極を標準水素電極standard hydrogen electrodeという。これは最も標準的な基準電極として使われており,その平衡電極電位を,便宜上,すべての温度でゼロと仮定することが多い。…

※「standard hydrogen electrode」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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