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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 Potassium tetraiodomercurate(II) ： ウィキペディア英語版 Potassium tetraiodomercurate(II) |Section2= |Section7= |Section8= }} Potassium tetraiodomercurate(II) is the inorganic compound consisting of potassium cations and the tetraiodomercurate(II) anion. It is mainly used as Nessler's reagent, a 0.09 mol/L solution of potassium tetraiodomercurate(II) (K2()) in 2.5 mol/L potassium hydroxide, used to detect ammonia.〔 〕 ==Preparation and structure== Crystallizing from a concentrated aqueous solution of mercuric iodide with potassium iodide is the monohydrate KHgI3.H2O, which is pale orange.〔F. Wagenknecht, R. Juza, "Potassium Triiodomercurate(II)" in ''Handbook of Preparative Inorganic Chemistry'', 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 1100.〕 In aqueous solution this triodido complex adds iodide to give the tetrahedral tetraiodo dianion. Solutions of K2HgI4 react with Cu(I) salts to give Cu2HgI4.〔F. Wagenknecht, R. Juza, "Copper(I) Tetraiodomercurate(II)" in ''Handbook of Preparative Inorganic Chemistry'', 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 1100.〕 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「Potassium tetraiodomercurate(II)」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.