Items

Specification

Appearance:

White crystalline powder

Taste:

Characteristic

Odor:

Characteristic

Melting point:

196-205celsius degree

Residue on ignition:

Not more than 0.5%

Specific rotation[¦Á]_D²⁰:

+39.0 to +43.0

Loss on drying:

Not more than 0.5%

pH value (5% solution):

5.0-8.0

Chloride:

Not more than 1%

Iron:

Not more than 10ppm

Heavy metals:

Not more than 10ppm

Arsenic:

Not more than 1ppm

Assay:

Not less than 99%

Microbial:

Total bacterial count:

Yeast & moulds:

Escherichia coli:

Salmonella:

Staphylococcus aureus:

Not more than 100CFU/g

Not more than 10CFU/g

Not more than 10CFU/g

Negative

Not more than 10CFU/g