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electrolytic grade 90% Manganese dioxide
Product Name Electolytic Manganese Dioxide
Batch. No. 2016051501 Man. Date May 15th,2016
Weight 1000kg Report Date May 15th,2016
Item Standard Result
Appearance Black powder Complies
Purity(MnO2,%) 91.5 92
H2O(%) 2.0 1.2
Fe(ppm) 70 45
Cu(ppm) 5 0.5
Pb (ppm) 5 0.5
Ni(ppm) 5 1.0
Co(ppm) 5 1.0
Mo(ppm) 0.5 0.2
As(ppm) 0.5 0.2
Sb(ppm) 0.5 0.2
K(ppm) 300 150
HCl insoluble(%) 0.1 0.01
Sulphate(%) 1.4 1.2
pH 5~7 6.5
Specific surface area(m2/g) 25~35 30