Feed gradeITEMSPECIFICATIONSTEST RESULTMnSO4.H2O98% min99%Manganese(Mn)31.8% min32.20%Lead(Pb)15ppm max5ppmArsenic(As)5ppm max5ppmCadmium(Cd)10ppm max5ppmWater insoluble0.05% max0.00031Screen Analysis95%-60mesh(250μm)sieve95%-60mesh(250μm)sieve Industrial grade/Tech gradeITEMSPECIFICATIONSTEST RESULTMnSO4.H2O98% min99%Manganese(Mn)31.8% min32.20%Iron(Fe)0.004% max0.0017%Lead(Pb)15ppm max5ppmArsenic(As)5ppm max5ppmCadmium(Cd)10ppm max5ppmChlorides(Cl)0.005% max0.005%Water insoluble0.05% max0.031%PH5.0-6.55.5 Usage: Mainly engaged in printing ink and paints dried agent. Catalyst of synthetic fatty acid, produce chemical compound of manganese, electrolytic metal of manganese and manganese oxide printing and dyeing and pigment, paper making, porcelain paint, pharmaceutical industry, and for forage additives, catalyst of synthesizing plants chlorophyll to promote plants growing and increase harvest.