Appearance White Crystal Purity 98.0 % up pH(1% sol'n) 4.2 - 4.7 Sulfate(SO4) 0.02 % max Iron(Fe) 0.01 % max
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Appearance White Crystal Purity 98 % up pH (1% sol'n) 4.2- 4.7 Chloride(Cl) 0.01 % max Sulfate(SO4) 0.02 % max Arsenic(As2O3) 4 ppm max Heavy Metal(Pb) 20 ppm max Dry loss 1 % max