…The acids formed by the hydration of diphosphorus pentoxide (P 2 O 5 ) , namely orthophosphoric acid (H 3 PO 4 ) , pyrophosphoric acid (H 4 P 2 O 7 ) , and metaphosphoric acid (HPO 3 ) , are collectively called phosphoric acid, but orthophosphoric acid is usually simply called phosphoric acid. Orthophosphoric acid has been known for a long time and is one of the most important phosphorus compounds. … *Some of the terminology that mentions "orthophosphoric acid" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…五酸化二リンP2O5が水和してできる酸,すなわちオルトリン酸H3PO4,ピロリン酸H4P2O7,メタリン酸HPO3などを総称してリン酸ということがあるが,ふつうオルトリン酸orthophosphoric acidを単にリン酸ということが多い。オルトリン酸は古くから知られ最も重要なリン化合物の一つである。… ※「orthophosphoric acid」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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