| 光谱学与光谱分析 |
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| Determination of Trace Zinc，Manganese，Cadmium and Lead in Aloe by Microwave-Digestion Atomic Absorption Spectrometry |
| YANG Yi1, HOU Xiang-yan1, WANG Shu-jun1, JIA Qian-ling1, LI Zhi1, GUO Zhen-ku2 |
1. School of Science, Beijing University of Chemical Technology, Beijing 100029, China
2. Beijing Leiming Technology Co. LTD, Beijing 100022, China |
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Abstract A microwave digestion procedure was developed for the determination of trace Zn，Mn，Cd and Pb in aloe-leaf cuticle and aloe-leaf gelatin, using the obturated vessel microwave digestion system with a pressure controlling part, and the amounts of these trace metallic elements were determined by atomic absorption spectrometry after microwave digestion. The effects of the composition of digestion solution, the ratio of the sample to digestion solution, and the digestion time were studied. It is satisfactoty to apply the microwave digestion procedure to the determination of Zn, Mn, Cd and Pb under the optimized condition with the recovery of 95.0% to 110.0% and RSD of 0.3% to 6.2%. The results show that this method is rapid and simple with low environmental contamination and complete digestion of the sample.
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Received: 2003-10-06
Accepted: 2004-01-16
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Corresponding Authors:
YANG Yi
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| Cite this article: |
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YANG Yi,HOU Xiang-yan,WANG Shu-jun, et al. Determination of Trace Zinc，Manganese，Cadmium and Lead in Aloe by Microwave-Digestion Atomic Absorption Spectrometry [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(12): 1672-1675.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2004/V24/I12/1672 |
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