Pink to red monoclinic crystal, relative density 1.924. Heated to 87 melting and decomposition. Soluble in water Desiccant for paint, ceramic coloring agent, ammonia absorbers, wet indicator, chemical reaction catalyst; used to make poison gas mask, developing ink, test paper, silica gel, etc.; for electroplating tin-cobalt alloy, cobalt nickel-phosphorus alloys; for the compound mixed feed.Q/ ...
