... impurities in manganese dioxide.In the laboratory, manganese chloride can be prepared by treating manganese metal or manganese(II) carbonate ... trading of titanium dioxide,Calcium hydroxide,Calcium carbonate,Silicon dioxide,Pulvistalci.etc.We have our own production ... business name card: Factory direct sold white high quality pink powder manganese(II) chloride tetrahydrate with MnCI2 purity of 99 ...