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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Litmus test ： ウィキペディア英語版 Litmus Litmus is a water soluble mixture of different dyes extracted from lichens. It is often absorbed onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acidity. == History == Litmus was used for the first time about 1300 AD by Spanish alchemist Arnaldus de Villa Nova.〔 From the 16th century on, the blue dye was extracted from some lichens, especially in the Netherlands. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Litmus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.