[Study on different digestion methods for determination of twelve metal elements in the plant Platycodon Grandi florum (Jacq.) A. DC. by FAAS]

[Study on different digestion methods for determination of twelve metal elements in the plant Platycodon Grandi florum (Jacq.) A. DC. by FAAS] Research Abstract Details 

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[Study on different digestion methods for determination of twelve metal elements in the plant Platycodon Grandi florum (Jacq.) A. DC. by FAAS] Abstract Text:

Guo-Qing Xue,Yu-Qi Han,Hai Song,Duo-Long Di,

In the present paper the effects of different digestion methods on determining the amount of metal elements in the plant platycodon grandi florum (Jacq.) A. DC. by flame atomic absorption spectrophotometry(FAAS) are reported. FAAS method was established for the determination of K, Mg, Ca, Cu, Zn, Mn, Fe, Co, Ni, Cd and Cr and Pb in the plant platycodon grandi florum (Jacq.) A. DC. The samples were incinerated and followed by digestion with HNO3-HClO (phi, 4 : 1) at 90-95 degrees C and normal pressure. In the meantime, the optimum parameters of FAAS and effects of solution medium on the results were discussed. The analytical results of K, Mg, Ca, Mn, Fe, Cu and Zn were 13 226.32, 922.57, 1 710.72, 9.23, 336.66, 8.75 and 19.62 microg x g(-1) respectively, while Co, Ni, Cd, Cr and Pb were not checked out in the samples. The results showed that the recovery of standard addition was 95.45Y-105.50% and the relative standard deviation (n = 9) was 0.34%-5.78%. The method is quick, simple and convenient, and the results are satisfactory.

[Study on different digestion methods for determination of twelve metal elements in the plant Platycodon Grandi florum (Jacq.) A. DC. by FAAS] Publishing Authors By Initials

GQ Xue,YQ Han,H Song,DL Di,

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[Study on different digestion methods for determination of twelve metal elements in the plant Platycodon Grandi florum (Jacq.) A. DC. by FAAS] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Guang pu xue yu guang pu fen xi = Guang pu

VOLUME: 27

Page Numbers: 1231-4

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ISSN: 1000-0593

DAY: 3

MONTH: Jun

YEAR: 2007

[Study on different digestion methods for determination of twelve metal elements in the plant Platycodon Grandi florum (Jacq.) A. DC. by FAAS] Information

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LANGUAGE: chi

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AFFILIATION: Department of Chemistry, Key Laboratory of Resources and Environment Chemistry of West China, Hexi University, Zhangye 734000, China. xuegq@hxu.edu.cn

Country: China

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MEDLINETA: Guang Pu Xue Yu Guang Pu Fen X

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