An inorganic blue pigment made by the reaction of a ferrous salt and potassium ferricyanide [Fe3Fe(CN)6]2. One of its important uses is in making blueprints, in which sensitized paper containing ferric ammonium citrate and potassium ferricyanide is exposed to light, the ferric ions being thus reduced to ferrous ions.See Iron Blue.
Hangzhou Huarong Pharm Co., Ltd. Hangzhou Huarong Pharm Co., Ltd. established since 2009 , has been always focusing on supplying products and servic.. Dayang Chem (Hangzhou) Co.,Ltd. Dayang Chem (Hangzhou) Co.,Ltd. dedicated to the development, production and marketing of chemicals which i.. NEM CHEMICAL CO.,LTD
NEM CHEMICAL CO.,LTD. (original name is Puyang MYJ Fine Chemical Co., Ltd. ) is high-tech compang co..