Ammonium chrome alum - Ammonium chrome alum

Japanese: アンモニウムクロムミョウバン - あんもにうむくろむみょうばん
Ammonium chrome alum - Ammonium chrome alum

...The aqueous solution is purple when cold, but when heated to 50-70°C it turns green and the alum becomes difficult to crystallize. (b) Ammonium chrome alum (NH 4 )Cr(SO 4 ) 2 ・12H 2 O Specific gravity 1.717. Dissolves in water of crystallization at 94°C.

*Some of the terminology that refers to "ammonium chrome alum" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…水溶液は冷時紫色であるが,50~70℃に熱すると緑色となり,ミョウバンが晶出しにくくなる。(b)アンモニウムクロムミョウバン(NH4)Cr(SO4)2・12H2O 比重1.717。94℃で結晶水に溶ける。…

※「アンモニウムクロムミョウバン」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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