Quality standard for Baijiangdan / 中成药

ABSTRACT

AIM: Baijiangdan is a mineral herb containing mercuric chloride and mercurous chloride.To establish the quality standard for this mineral herb. METHODS: The microscope examination techniques,titration methods and X-ray diffractometry methods were used. RESULTS: These methods can be used for (identification) and quantitative (analysis) of Baijiangdan. CONCLUSION: This paper proposes microscopic examination techniques and physio-chemical methods such as X-ray diffractometry and titration methods for the identification and quantitative analysis of the herb.