| 光谱学与光谱分析 |
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| Determination of Eight Trace Elements in Lanchow Lily by Flame Atomic Absorption Spectrometry |
| LIANG Bao-an,ZHANG Fu-juan |
| Department of Chemistry, Xuchang University，Xuchang 461000，China |
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Abstract The contents of eight microelements (Zn, Fe, Cu, Mn, Co, Pb, Cd and Cr) in Lanchow lily were determined by using flame atomic absorption spectrometry with the mixed acid of HNO3-HClO4(3.5∶1) as the digesting solution and the sample of lily being dissolved under the circumstance of normal pressure and little boil. The optimal working conditions of the instruments used to determine the different elements were studied. The proper sample digestion system was determined. The disturbance, accuracy and precision of the method were examined. The elements in lily did not interfere with each other under the given experimental condition, so the authors can examine the eight elements in the same preparation solution. The experimental result indicates that there are abundant Zn, Fe, Cu and Mn in the Lanchow lily, but there are no harmful elements Pb and Cd. The recovery and relative standard deviations are 94.20%-111.20% and 2.45%(n=6), respectively. The result is accurate and reliable.
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Received: 2006-01-16
Accepted: 2006-05-28
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Corresponding Authors:
LIANG Bao-an
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| Cite this article: |
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LIANG Bao-an,ZHANG Fu-juan. Determination of Eight Trace Elements in Lanchow Lily by Flame Atomic Absorption Spectrometry [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(04): 813-815.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2007/V27/I04/813 |
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