Items

Specification

Results

Characters

Almost white power

Almost white power

Identification

Positive

Positive

Appearance of solution

Solution S should be clear and not more intensely

Complies

Solubility

Practically insoluble in water, freely soluble in

methylene chloride, soluble in methanol, sparingly soluble in alcohol.

Complies

Specific optical rotation

Between-0.10° and +0.10°

0.001°

Related substances

≤0.5%

0.16 %

Heavy metals

≤20ppm

＜ 20ppm

Loss on drying

≤0.5%

0.06%

Sulphated ash

≤0.1%

0.04%

Assay

99.0% ～ 101.0%

99.9%

Total Aerobic Microbial Count

≤102cfu/g

Qualified

Total Yeasts and Molds Count

≤10'cfu/g

Qualified

Pseudomonas aeruginosa

Absent per g

Qualified

Staphylococcus aureus

Absent per g

Qualified

Conclusion

The quality of the above commodity complies standard of BP/EP

Packaging and storage

Preserve in well-closed containers, protected from light for 48 months.