Manganese Ore (Mn)
Grade I Grade - II Grade III
Mn 30- 32% 36 - 38% 40 - 42%
Fe 12 - 14% 10-12% 4 - 6%
SiO2 8 - 10% 6 - 8% 4 - 5%
Al2o3 6 - 8% 4 - 6% 4 - 5%
Phos 0.30 - 0.35% 0.30 - 0.35% 0.30 - 0.35%
Manganese Oxide (MnO)
Grade I Grade - II
Manganese (Total) 46 - 48% 54 - 56%
Manganese (Soluble) 40 - 42% 44 - 46%
Iron (Fe) 4 - 6% 2 - 4%
Appearance Greenish Brown Powder
Size 80 Mesh 80 Mesh
Manganese Di-Oxide (MnO2)
Grade I Grade - II
MnO2 68 - 70% 70 - 72%
Mn 46 - 48% 48 - 50%
Iron (Fe) 4 - 6% 2 - 4%
Phos 0.3% - 0.35% 0.3% - 0.35%
Manganese Sulphate (MnSO4, H2O)
Grade - I Grade - II
Manganese Sulphate (as MnSO4, H2O):97% - 98% 83 - 85%
Manganese (as Mn):31.60% - 31.95% 27.00 - 27.70%
Insoluble matter:0.02% (max) 0.5% (max)
Iron (as Fe):0.05% (max) 0.08% (max)
Color - Off White (pinkish) free Flowing crystalline powder as well as Granules
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