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look	white crystall
purity	99.5% min
MgSO4	48.59% min
MgO	16.27% min
Mg	9.81% min
PH(c5W/V%Sol)	5-8
Fe	0.002% max
Cl)	0.02%max
Heavy metal(Pb)	0.001 %max
As	0.0002% max
water in  insoluble substance	0.01%max
size (mm)	0.1-1, 1-3, 2-4

magnesium sulfate 99.5%