…However, the dissolved part is strongly alkaline, so it is used widely in industry as the cheapest source of alkali. This saturated aqueous solution is called lime water, and when it is mixed with a relatively small amount of water to form a milky mixture, it is called milk of lime. Calcium hydroxide easily combines with carbon dioxide to form calcium carbonate, which is insoluble in water, so if lime water or milk of lime is left in the air, calcium carbonate will precipitate. … *Some of the terminology that mentions "lime water" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…しかし溶けた部分は強いアルカリ性を示すので,最も安価なアルカリ源として工業上きわめて広く用いられる。この飽和水溶液を石灰水lime waterといい,また比較的少量の水と乳状に混合したものを石灰乳milk of limeと呼ぶ。水酸化カルシウムは容易に二酸化炭素と化合して水に不溶の炭酸カルシウムに変化するから,石灰水や石灰乳を空気中に放置しておくと炭酸カルシウムが沈殿してくる。… ※「lime water」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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