成人99视频99,久久精品视频图片,青青青老司机在线cc,久久免费手机视频,亚洲一区在线观看视频,伊人久院在线视频,久草精品视频免费,久久九九污污网站,在线日本黄色网站网友在线亚洲视频,av2025天堂

























Cobalt-(II) nitrate hexahydrate



intro:
Product Name   Cobalt-(II) nitrate hexahydrate
CAS RN            10026-22-9
Molecular Formula Co(NO3)2·6H2O
Molecular Weight   291.04
Properties Appearance: red monoclinic system column crystal .
m.p.: 55~56℃
Relative Density: 1.87 (25℃)
Solubility: easily soluble in water, ethanol, acetone and methyl acetate, slightly soluble in amine. . 
Use In the manufacture of catalysts, sympathetic ink, cobalt pigment, ceramics etc. 





?