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MAGNESIUM SULPHATE HEPTA
PURITY (MgSO4.7H20) 99%
HEAVY METALS 0.001%
CHLORIDE 0.02%
Fe 0.002%
As 0.0002%
MgO 16%
Mg 9.8%
SULFUR 13%
INSOLUBLE IN WATER AT 70C 0.09%