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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 Sodium manganate ： ウィキペディア英語版 Sodium manganate Sodium manganate is the inorganic compound with the formula Na2MnO4. This deep green solid is a rarely encountered analogue of the related salt K2MnO4. Sodium manganate is rarely encountered because it cannot be readily prepared from the oxidation of manganese dioxide and sodium hydroxide. Instead this oxidation stops at the level of Na3MnO4, and this Mn(V) salt is unstable in solution.〔Arno H. Reidies, "Manganese Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, 2002, Wiley-VCH, Weinheim. 〕 Sodium manganate can be produced by reduction of sodium permanganate under basic conditions: :4 NaOH + 4NaMnO4 → 4 Na2MnO4 + 2 H2O + O2 Because Na3MnO4 is difficult to prepare, sodium permanganate is more expensive than potassium permanganate. ==References== 〔 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「Sodium manganate」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.