Determination of lead, arsenic, cadmium, copper and mercury in Qijudihuang Pills
- VernacularTitle:杞菊地黄丸中铅砷镉铜汞的含量测定
- Author:
Guoqian LI
;
Rong LI
;
Bailong LIU
;
Yaqi SUN
;
- Publication Type:Journal Article
- Keywords:
Qijudihuang Pills;
lead, arsenic, cadmium, copper and mercury;
graphite furnace atomic absorbtion;
cold atomic absorption
- From:
Chinese Traditional Patent Medicine
1992;0(09):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective: In order to establish an effectively analytic method about the content of lead, arsenic, cadmium, mercury and copper. Methods:According to the standard addition method, matrix modifiers (nickle nitrate and diammonium orthphosphate) were added to sample and the contents of Pb, As, Cd and Cu were determined by graphite furnace atomic absorption spectrometry, reduce agent (acid tin bichloride was added to sample and the content of Hg was determined by cold vapour atomic absorption method. Results: The average recoveries of lead arsenic, cadmium, copper and mercury were Pb=97.5%, RSD = 2.75%; As=96.6%, RSD = 2.23%; Cd= 98.2% , RSD = 1.32% ;Cu=97.8%, RSD =1.19%;Hg= 98.8% , RSD = 1.85 , respectively. Conclusion: The method is sensible, accurate and reproducible. and applied for quality control of content of heavy metals in Qijidehuang Pills.
