| 光谱学与光谱分析 |
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| Determination of Nine Life Elements in Brick Tea by ICP-AES |
| LI Hai-long1, 2, WANG Li-zhen1, WANG Wu-yi1 |
1.Institute of Geographical Sciences and Natural Resources Research, Beijing 100101, China
2.Graduate School of the Chinese Academy of Sciences, Beijing 100039, China |
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Abstract ICP-AES was used for the direct determination of nine life elements (Ca，Mg，K，Al，P，Cu，Zn，Fe and Mn) in brick tea.The RSDs of the method were between 2.11% and 8.68%, and the analytical results of the tea reference samples were consistent with the certified values.The method was simple and accuracy.The analytical results of brick tea were compared with those of the ordinary leaf tea (green tea, scent tea and oolong tea).The Al, Fe, Mn, Ca and Mg contents of brick tea were about 5.78, 3.26, 2.19, 2.11 and 1.64 times higher than those of the ordinary leaf tea respectively.The P, K, Zn and Cu contents of brick tea were 48.70%, 85.68%, 78.19% and 98.78% times lower than those of the ordinary leaf tea respectively.
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Received: 2005-01-10
Accepted: 2005-04-25
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Corresponding Authors:
LI Hai-long
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| Cite this article: |
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LI Hai-long,WANG Li-zhen,WANG Wu-yi. Determination of Nine Life Elements in Brick Tea by ICP-AES [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(08): 1344-1346.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2005/V25/I08/1344 |
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