Item

Standard

Result

Characters

Colorless transparent needle crystallization

Conform

Assay

  98.0%~101.0%

99.0%

Appearance of solution

Comply with the standard

Conform

Acidity or alkalinity

Comply with the standard

Conform

Bromides

0.05%

0.05%

Sulphates

0.01%

0.01%

Aluminum

0.0001%

0.0001%

Arsenic

0.0002%

0.0002%

Calcium

0.1%

0.1%

Iron

0.001%

0.001%

 Potassium

0.05%

0.03%

Heavy metal

0.001%

0.0008%

Water

51.0%~55.0%

52.0%

Conclusion

The above product complies with Pharmaceutical Grade