… Osmotic pressure is usually expressed in units of atmospheres. When a solution is placed alone, no osmotic pressure actually occurs, so the potential osmotic pressure in this case is called the osmotic value and is expressed as the osmotic concentration of the solution. Osmotic concentration can also be determined by measuring the freezing point depression, and is often expressed as osmolarity, calculated from the freezing point depression of 1.858°C for a 1-molar solution of an ideal nonelectrolyte. … *Some of the terminology that refers to "osmotic value" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 浸透圧はふつう気圧の単位で表される。溶液が単独に置かれているときは,まだ現実には浸透圧が発生していないので,こういう場合の潜在的な浸透圧を浸透価osmotic valueと呼び,溶液の浸透濃度osmotic concentrationで表す。浸透濃度は氷点降下度の測定によっても求められ,理想非電解質の1重量mol溶液の氷点降下度1.858℃から計算されるオスモル濃度osmolarityで表されることが多い。… ※「osmotic value」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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