Determination of Fe, Cu, Ni, and Zn in seawater by ID-ICP-MS after preconcentration using a syringe-driven chelating column

被引：0
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作者：
Zhu, Yanbei [1 ]
Inagaki, Kazumi [1 ]
Chiba, Koichi [1 ]
机构：
[1] National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1, Umezono, Tsukuba Ibaraki 305-8563, Japan
来源：
Journal of Analytical Atomic Spectrometry | 2009年 / 24卷 / 09期
关键词：
A hybrid method was suggested for preconcentration of trace metals and removal of matrix elements in seawater samples. In this method; seawater samples were loaded off-line into the syringe-driven chelating columns (SDCCs); which were then connected to a valve-switching system for on-line elution and on-line determination of Fe; Cu; Ni; and Zn by ID-ICP-MS. Optimizations of operating conditions were carried out for sample loading flow rate and pH. The removal of matrix elements was not carried out; because the concentrations of Mg; Ca; Na; and K were sufficiently low when 5 mL or less of the seawater sample was used for analysis. The usefulness of the present method was confirmed by analysis of NASS-5. Detection limits for Fe; and Zn were 0.03; 0.012; 0.018; and 0.009 ng mL-1; respectively. © 2009 The Royal Society of Chemistry;
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摘要：
Conference article (CA)
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页码：1179 / 1183
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