…When the concentration of hydrogen ions in an aqueous solution is C H mol/l and expressed as C H = 10 - X , X is called the hydrogen ion exponent or hydrogen exponent. The symbol is written as pH, taking the initial letter p of power and H for hydrogen, and is called P H or PH. … *Some of the terminology that mentions "hydrogen exponent" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…水溶液中の水素イオンの濃度をCHmol/lとし,CH=10-Xで表すとき,Xを水素イオン指数hydrogen ion exponentまたは水素指数hydrogen exponentという。その記号は累乗(またはべき)powerの頭文字のpと水素HをとりpHと書き,ピーエッチまたはペーハーと呼ぶ。… ※「hydrogen exponent」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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