CHEN Xin-mei, WANG Ji-hui. Quality Controlling Methods of Pyrolusite[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(17): 107-109.
DOI:
CHEN Xin-mei, WANG Ji-hui. Quality Controlling Methods of Pyrolusite[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(17): 107-109. DOI: 10.11653/syfj2013170107.
Objective: Quality controlling method of Pyrolusite was established to evaluate the quality of Pyrolusite. Method: Appearance
microscopic observation
limit of heavy metal and Arsenic salt
content of MnO2 were examined in 10 batches Pyrolusite from different districts of China. Result: Quality differences were obvious. Heavy mental exceeded standard of 5 batches. Difference of MnO2 content was also obvious. Conclusion: Scientific methods of quality control of Pyrolusite is established to produce
Shandong Technical Innovation Center for Traditional Chinese Medicine Treatment of Respiratory Diseases,Shandong Hongjitang Pharmaceutical Group Co. Ltd.
Shandong Institute for Food and Drug Control
School of Pharmacy,State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine