Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials · 2010
[Quality control of traditional Tibetan Medicine Zsuotai].
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Xia Zhen-jiang, Wei Li-xin, Wang Dong-ping, Du Yu-zhi, Chen Xian-min, Yang Hong-xia
Аннотация
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.
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.