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Manganese dioxide is used to remove iron and manganese from drinking water by a process of catalytic oxidation.
Standards
UK and European EN13752
Physical Characteristics
Specific Gravity 3.50 - 4.00
Bulk Density 2.00 tonnes/m3
Hardness 4 - 5 Moh
Appearance Black, granular
Chemical Analysis
MnO 75 - 80%
Standard Grades
BS 18/44 0.35 - 0.85 mm
BS 16/30 0.50 - 1.00 mm