| 光谱学与光谱分析 |
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| Determination and Comparison of Trace Elements in Four Sorts of Bulbus Fritillariae by Microwave Digestion-Atomic Absorption Spectrometry |
| YU Rui-peng1,CHENG Ze-feng2,GONG Xiao-qing1* |
1. State Key Laboratory of Food Science and Technology，Jiangnan University，Wuxi 214036，China
2. College of Chemistry and Life Science，Zhejiang Normal University，Jinhua 321004，China |
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Abstract The contents of elements such as Zn, Fe, Mn, Cu, Na, Mg, K, Ca, As, Pb, Cd, Co, Cr, Sr, and Al in four sorts of Bulbus Fritillariae, namaly from Fritillaria thunbergii Miq.(Panan and Ningbo), Fritillaria thunbergii Miq. Var. chekiangensis Hsiao et K. C. Hsia and Fritillaria cirrhosa D. Don, were determined by flame atomic absorption spectrometry (FAAS) and graphite furnace atomic absorption spectrometry (GFAAS) respectively. The effect of different microwave digestion conditions on the analysis results was reviewed, and optimal condition for using atomic absorption spectrophotometry was determined. Principal component analysis (PCA) was applied taking trace elements contents as indexes. The results revealed that microwave digestion was a simple, rapid, digestion complete, and low blank value method, and the measurement result is satisfactory. The experimental results indicated that the linear relationships for different elements within the limits of working curve were good. The RSDs were all smaller than 3.97%. The addition standard rates of the procedure was between 91.0% and 108.7%. Principal component analysis has the application value of reflecting the differences in trace elements contents in various samples.
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Received: 2006-10-16
Accepted: 2007-01-20
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Corresponding Authors:
GONG Xiao-qing
E-mail: rp_yu@yahoo.com.cn
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| Cite this article: |
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YU Rui-peng,CHENG Ze-feng,GONG Xiao-qing. Determination and Comparison of Trace Elements in Four Sorts of Bulbus Fritillariae by Microwave Digestion-Atomic Absorption Spectrometry [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(12): 2591-2594.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2007/V27/I12/2591 |
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