Determination of heavy metals in ordinary herbal pieces
- VernacularTitle:中药房常用饮片重金属含量测定
- Author:
Yihe CHEN
;
Xiong QI
;
Ying ZHU
;
Richu ZHANG
- Publication Type:Journal Article
- Keywords:
traditional Chinese medicine;
herbal pieces, heay matals;
arsenium;
hydragyrum;
plumbum
- From:
Chinese Traditional Patent Medicine
1992;0(05):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective: To assay the contents of the five heavy metals in 10 different kinds of herbal pieces. Methods: With reference to 《The Professional Import and Export Stands for Medicinal Herbs and Preparations》, and 《Handbook of Chinese Hygienic and Physiochemical Assaying for Food》 (1997), plumbum and cadmium with the help of graphitic furnace atomic absorption spectometry; niccolum with atomic absorption apparatus; hydragyrum with apparatus for determination of mercury and arsenium with the arsenic stain were measured, respectively. Results: It is showed that 18 of 35 Samples did not come up to standard of the heavy metals; 7 of 10 different kinds of herbal pieces did not come up to standard of the heavy metals according to the issued standards.
