翻訳と辞書 |
Magnesium fluoride : ウィキペディア英語版 | Magnesium fluoride
|Section2= |Section3= |Section4= |Section7= |Section8= }} Magnesium fluoride is an inorganic compound with the formula MgF2. The compound is a white crystalline salt and is transparent over a wide range of wavelengths, with commercial uses in optics that are also used in space telescopes. It occurs naturally as the rare mineral sellaite. ==Production and structure== Magnesium fluoride is prepared from magnesium oxide with sources of hydrogen fluoride such as ammonium bifluoride: :MgO + (NH4)HF2 → MgF2 + NH3 + H2O Related metathesis reactions are also feasible. The compound crystallizes as tetragonal birefringent crystals. Its structure is similar to that in rutile, featuring octahedral Mg2+ centers and 3-coordinate fluoride centres.
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「Magnesium fluoride」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.
|
|