The temperature at which a liquid changes into a solid when gradually cooled under a constant pressure (usually atmospheric pressure). It is equal to the temperature at which a liquid and a solid coexist in equilibrium under a constant pressure, and in this sense the freezing point and melting point are the same. The freezing point (melting point) varies slightly depending on pressure. In addition, the freezing point decreases when impurities, solutes, or other substances are dissolved in the liquid. [See alternative terms] Freezing point depression Source: Morikita Publishing "Chemical Dictionary (2nd Edition)" Information about the Chemical Dictionary 2nd Edition |
一定の圧力(多くの場合,大気圧)のもとで液体を徐々に冷却したとき固体に変化する温度.一定圧力下で液体と固体が平衡を保って共存する温度に等しく,この意味で凝固点と融点は一致する.凝固点(融点)は圧力によってわずかではあるが変化する.また,不純物,溶質,そのほか,他物質が溶存するときは凝固点は降下する.[別用語参照]凝固点降下 出典 森北出版「化学辞典(第2版)」化学辞典 第2版について 情報 |
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