Phosphoric acid (phosphoric acid)

Japanese: リン酸(燐酸) - りんさん(英語表記)phosphoric acid
Phosphoric acid (phosphoric acid)
The acids formed by the hydration of diphosphorus pentoxide (P 2 O 5) , namely orthophosphoric acid (H 3 PO 4 ) , pyrophosphate (H 4 P 2 O 7 ) , and metaphosphoric acid (HPO 3 ) , are collectively referred to as phosphoric acid, but orthophosphoric acid is usually referred to simply as phosphoric acid. Orthophosphoric acid has been known for a long time and is one of the most important phosphorus compounds. Organophosphate compounds are important biologically; for example, phosphate esters of sucrose are involved in photosynthesis, nucleic acids contain phosphate esters, and phosphoric acid is involved in energy metabolism in living organisms (phosphate cycle).

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
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。有機リン酸化合物は生物学的に重要で,たとえば,ショ糖類のリン酸エステルは光合成に関与し,核酸にはリン酸エステルが含まれており,生体内のエネルギー代謝にはリン酸が関係している(リン酸サイクル)。

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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