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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 Di-(2-ethylhexyl)phosphoric acid ： ウィキペディア英語版 Di-(2-ethylhexyl)phosphoric acid |Section2= }} Di-(2-ethylhexyl)phosphoric acid (DEHPA or HDEHP) is an organophosphorus compound with the formula (C8H17O)2PO2H. The yellow liquid is a diester of phosphoric acid and 2-ethylhexanol. It is used in the solvent extraction of uranium as well as the rare earth metals.〔Sato, T. Hydrometallurgy, 1989, volume 22, 121-140. 〕 ==Preparation== DEHPA is prepared through the reaction of phosphorus pentoxide and 2-ethylhexanol: :4 C8H17OH + P4O10 → 2 ()2O :()2O + C8H17OH → (C8H17O)2PO(OH) + (C8H17O)PO(OH)2 These reaction produce a mixture of mono-, di-, and trisubstituted phosphates, from which DEHPA can be isolated based on solubility.〔Galkin, N.P.; Sudarikov, B.N.; Veryatin, U.D.; Shishkov, Yu.D.; Maiorov, A.A. Technology of Uranium, 1st Ed.; Israel Program for Scientific Translations: Jerusalem, 1966.〕 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「Di-(2-ethylhexyl)phosphoric acid」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.