Determination of Cu, Zn and Fe in Huaiyao by Suspension Sampling-Flame Atomic Absorption Spectrometry

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作者：
Wei, Wei [1 ]
Qu, Ling-Bo [1 ]
Li, Jian-Jun [1 ]
Li, Yan-Hong [1 ]
机构：
[1] Department of Chemistry, Zhengzhou University, Zhengzhou 450052, China
来源：
Guang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysis | 2002年 / 22卷 / 05期
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摘要：
A new method - suspension sampling technique was applied to flame atomic absorption spectrometry and was successfully used to determine Cu, Zn, Fe in Huaiyao. Then studied the choice of suspension agent and elimination of chemical interference. The huaiyao sample was suspended in agar sol, and injected into air-acetylene flame by using standard addition method to determine Cu, Zn, Fe. Determined results were consistent with those obtained by HNO3 + H2SO4 + HClO4 method. The t -test showed that no obvious difference was found between the two methods.Displacement of HNO3+ H2SO4 + HC1O4 method by suspension sampling method for the sample pretreatment is possible. This method is convenient, rapid and accurate.
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页码：29 / 858
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