Specific rotatory power : +32 to 36

Water insoluble matter 0.01

Ingited residue(on sulfate) 0.05

Chloride 0.005

sulfate 0.01

Iron(Fe) 0.003

Heavy metal(Pb) 0.002

Deposition test qualified

????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