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Mercury(II) iodide : ウィキペディア英語版 | Mercury(II) iodide
|Section2= |Section3= |Section6= |Section7= |Section8= }} Mercury(II) iodide (HgI2) is a chemical compound with an appearance of red-orange crystals. Unlike mercury(II) chloride it is hardly soluble in water (<100 ppm). Conditions/substances to avoid include: heat, light, bromides, chlorides, ammonia, alkalis, cyanides, copper salts, lead salts, iodoform and hydrogen peroxide. ==Properties== Mercury(II) iodide displays thermochromism; when heated above 126 °C, it undergoes phase transition from the alpha crystalline form to a pale yellow beta form. As the sample cools, it gradually reacquires its original color. It is often used for thermochromism demonstrations.〔(Thermochromism: Mercury(II) Iodide ). Jchemed.chem.wisc.edu. Retrieved on 2011-06-02.〕
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「Mercury(II) iodide」の詳細全文を読む
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