Specifications:AppearanceColorless crystal
Assay≥99.0%
Choloride(Cl)≤0.001%
Sulfate(SO4)≤0.005%
Phosphate(PO4)≤0.001%
Iron(Fe)≤0.0005%
Heavy metals(Pb)≤0.0005%
ClarityConforms
Insoluble matter in water≤0.005%
Ignition residue(sulfate)≤0.01%
Hazard:Not dangerous cargo