Study on Grading of Gypsum Pieces
- VernacularTitle:石膏饮片分级的研究
- Author:
Xiaojing SUN
;
Liu YANG
;
Jian ZOU
;
Yisheng ZHANG
- Publication Type:Journal Article
- Keywords:
Hubei Yingcheng;
Gypsum;
Classification of decoction pieces
- From:
China Pharmacist
2016;19(3):491-494,501
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To comprehensively evaluate the intrinsic and external quality, and explore the grading of gypsum pieces. Methods:The characteristics, contents of main components and trace elements and X-diffraction exclusive characteristic peaks of gyp-sum pieces from different origins were detected. Combined with the market grading, the grading standard for gypsum pieces was further improved. Results:According to the tested indices, gypsum pieces were graded into two classes:excellent pieces and common decoc-tion pieces. Conclusion:The study shows reference value for guiding the market grading of gypsum pieces.
