●Assay:98.5%min
●Active oxygen:6.9%min
●Residue on igniton as SO4:0.02%max
●Chloride and chlorate as Cl:0.001%max

●Assay:99.0%Min
●Active oxygen:5.85%Min
●Chloride and Chlorate (as Cl):0.02%Max
●Manganese (Mn):0.0003%Max

●Appearance:White Crystalline powder
●Content %:99
●H2SO4 %≤:0.01
●CL % ≤:0.0004

●BaSO4:98% min
●PH Value:6.5-9
●Water soluble matters:0.3% max
●Iron (on Fe basis):0.004% max

●MnSO4.H2O:≥98%
●Mn:≥31.8%
●Fe:≤0.0005%
●Pb:≤0.0008%

●SrCO3%:≥97.0
●CaCO3%:≤0.5
●BaCO3:≤1.5
●SO4%:0.5