Item

Specification 

Result

Appearance

White crystalline powder

White crystalline powder 

Assay       

98.5102.0 %

99.25 %

Specific Rotation [α]D20 (C=1,H2O)

+7.0°  to  8.5°

+7.95°

Chloride (Cl)  

≤0.021 %

< 0.02 %

Solubility      

Clear colorless

Conforms

IR    

Authentic

Conforms

Heavy Metals (Pb)   

≤10ppm

Conforms

Arsenic (As2O3)        

≤4ppm

Conforms

Residue on Ignition  

≤0.2 %

0.1 %

Loss on Drying

≤0.5 %

0.4%

PH           

5.0 to 6. 0(1%,H2O)

5.0 

Moisture

Not more than 2.0%

Conforms

Irradiated 

Not Irradiated 

Complies

BSE 

Free

Complies

Free

Complies

GMO

Free

Complies