…Because it is a strong alkali and has a cleaning effect that effectively removes dirt, it has been widely used since ancient times as a detergent, bleach, and dyeing agent. For example, ash was already being used for laundry during the Heian period, and even recently it has been used to clean wooden houses as a "scum wash." In addition, in the manufacture of Japanese paper, papermaking materials such as the bark of the paper mulberry have long been boiled in scum to extract fibers. … *Some of the terminology that refers to "aku-arai" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…かなり強い塩基性を示し,洗浄作用があってよく汚れを落とすので,古くから洗剤,漂白剤として,また染色などに広く用いられていた。たとえば,平安時代にはすでに灰を洗濯に使っているし,最近までも木造家屋の洗浄に〈あく洗い〉として用いられていた。また和紙の製造には,古来,たとえばコウゾの皮などの製紙原料をあくを使って煮沸して繊維を取り出している。… ※「あく洗い」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 |
<<: Aqua-Lung (English spelling)
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