ITEM	STANDARD
Identification	Via IR Absorption
Specific Optical rotation	-84.3°~--86.3°
Chloride(As Cl)	=<0.05%
Sulfate(As SO4)	=<0.03%
Assay	98.5-101.5%%
Iron(FE)	=<0.003%
Heavy Metals(As Pb)	=<0.0015%
Orgaic Volatile Impurities	Meet The Requirements
Chromatographic Purity	Any individual impurity not more than 0.5% Total impurity not more than 2.0%
Loss on drying	=<0.4%
Residue on ignition	=<0.4%

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