... delivery 4,Free sample for inspection Specification of the Manganese Carbonate,Manganous Carbonate1,Molecular formula : MnCO32,Molecular weight : ... ammonium bicarbonate to produce Manganese carbonate.Usage1,The material of ferrite for electrical equipment2,Industrial Manganous Carbonate used as catalyst, pigment ... 13762006068) in Yueyang Sanxiang Chemical Co.,Ltd Manganese Carbonate Agriculture grade