Gun cotton

Japanese: gun cotton(英語表記)guncotton
Gun cotton

…Another name for nitrocellulose used in gunpowder. Nitrogen content of 12.5% ​​or more is called strong gun cotton, and nitrogen content of 10-12% is called weak collodion cotton. Strong collodion cotton is insoluble in a mixture of 1 part alcohol and 2 parts ether, either of these solutions, water, and nitroglycerin, but soluble in acetone, acetic acid, nitrobenzene, amyl acetate, etc. …

*Some of the terminology that mentions "gun cotton" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…火薬に用いられるニトロセルロースの別名。窒素量12.5%以上のものを強綿薬gun cotton,10~12%のものを弱綿薬collodion cottonと呼んでいる。強綿薬はアルコール1,エーテル2の混合液,それぞれの単独液,水およびニトログリセリンに不溶,アセトン,酢酸,ニトロベンゼン,酢酸アミルなどに可溶である。…

※「gun cotton」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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