Soda lime - soda lime

Japanese: ソーダ石灰 - そーだせっかい(英語表記)soda lime
Soda lime - soda lime

It is made by soaking calcium oxide (quicklime) in a concentrated solution of sodium hydroxide (caustic soda), burning it, and forming it into granules. It is mainly composed of quicklime, contains 5-20% caustic soda, and 6-18% water. It is a white, strongly alkaline substance. It is used as an absorbent for carbon dioxide and for quantitative determination, as well as in the synthesis of organic compounds and as a drying agent.

[Torii Yasuo]

[Reference item] | Calcium oxide

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

酸化カルシウム(生石灰)を水酸化ナトリウム(カ性ソーダ)の濃溶液に浸し、これを焼いて粒状にしたもので、生石灰を主成分とし、5~20%のカ性ソーダ、6~18%の水分を含んでいる。白色、強塩基性の物質。二酸化炭素の吸収剤としてその定量に用いるほか、有機化合物の合成、乾燥剤などにも利用される。

[鳥居泰男]

[参照項目] | 酸化カルシウム

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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