Appearance -- White Crystal Formula -- MgSO4.7H2O Molecular wt -- 246 Assay – purity 98 % 99 % Magnesium, Mg 9.4 % 9.5 % Sulphur, S 12.6 % 12.7 % Heavy Metals Arsenic, As 1 ppm 1 ppm Mercury, Hg 1 ppm not detected Lead, Pb 1 ppm 1 ppm Cadmium, Cd 1 ppm not detected Standard packing 50kg woven sack with inner liner
