Assay(acidimetric) min 99.0%Insoluble matter in H2O max 0.01%Chloride(Cl) 0.005%Sulphate(SO4) 0.01%Oxalate(C2O4) 0.035%Heavy metals(as Pb) 0.001%Lead(Pb) 0.001%Iron(Fe) 0.001%Zinc(Zn) 0.001%Arsenic(As) 0.0001%Calcium(Ca) 0.02%Barium(Ba) 0.002%Reac...
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