[Quality control of traditional Tibetan Medicine Zsuotai].
OBJECTIVE
To establish the method of quality control for traditional Tibetan Medicine Zsuotai.


METHODS
Collecting the samples of Tsuotai from Qinghai, Tibet, Sichuan, and Gansu province, to detect Hg2+ by Zsuotai reacted with HCl-HNO3 (3:1), and to determine the quantity of HgS in Zsuotai by sulfocyanate volumetric method.


RESULTS
The method for the determination of HgS in Zsuotai was in good reproducibility (RSD = 0.68%). The calibration curve was linear (r = 0.9999) within -0.0002 - 0.2123 g of mercuric sulfide. The recovery was 100.94% (RSD = 0.66%).


CONCLUSIONS
This method is convenient and accurate, so it can be used to establish quality control of the medicinal material.
Xia
Zhen-jiang
ZJ
Northwest Plateau Institute of Biology, Chinese Academy of Sciences/Qinghai Key Laboratory of Tibet Medicine Pharmacology and Satety Evaluation, Xining 810008, China. xiazhenjiang6184@163.com
Wei
Li-xin
LX
Wang
Dong-ping
DP
Du
Yu-zhi
YZ
Chen
Xian-min
XM
Yang
Hong-xia
HX
D004365:Drugs, Chinese Herbal / Q000737:chemistry* / Q000592:standards; D008419:Materia Medica / Q000737:chemistry* / Q000592:standards; D038861:Medicine, Tibetan Traditional; D017669:Mercury Compounds / Q000032:analysis*; D011786:Quality Control; D013678:Technology, Pharmaceutical / Q000379:methods; D013861:Thiocyanates; D018609:Tibet
D004365:Drugs, Chinese Herbal; D008419:Materia Medica; D017669:Mercury Compounds; D013861:Thiocyanates