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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 Ammonium dimolybdate ： ウィキペディア英語版 Ammonium dimolybdate Ammonium dimolybdate (ADM) is the inorganic compound with the formula (NH4)2Mo2O7. It is a white, water-soluble solid. ADM is an intermediate in the production of molybdenum compounds from its ores. Roasting typical ore produces crude molybdenum(VI) oxides, which can be extracted into aqueous ammonia, affording ammonium molybdate. Heating solutions of ammonium molybdate gives ADM. Upon heating the solid, ammonium dimolybdate decomposes to molybdenum trioxide:〔Roger F. Sebenik et al. "Molybdenum and Molybdenum Compounds" in Ullmann's Encyclopedia of Chemical Technology 2005; Wiley-VCH, Weinheim. 〕 : (NH4)2Mo2O7 → 2 MoO3 + 2 NH3 + H2O In terms of its chemical structure, it is a polymeric consisting of distorted octahedral Mo centers liked by tetrahedral molybdate centers.〔Armour, A.W.; Drew, M.G.B.; Mitchell, P.C.H. "Crystal and molecular structure and properties of ammonium dimolybdate" Journal of the Chemical Society, Dalton Transactions,1975, p1493-p1496. 〕 ==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「Ammonium dimolybdate」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.