Abstract − Analytical Sciences, 22(10), 1375 (2006).
Multiple-Element Detection in Aqueous Solution and Seawater by Using an On-line Preconcentration Method for Inductively Coupled Plasma Mass Spectrometry
Li-Shing HUANG*,** and King-Chuen LIN*,**
*Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
**Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 106, Taiwan
**Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 106, Taiwan
Inductively coupled plasma-mass spectrometry (ICP-MS) incorporated with an on-line preconcentration system was used to determine trace amounts of ten metals including Ni, Cu, Zn, Rh, Ag, Cd, In, Au, Tl, and Pb in aqueous solutions and seawater. These metals, which formed the complexes, were retained in a sorbent microcolumn, followed by elution with methanol through a desolvation unit, which was capable of removing 83% of methanol. The limits of detection for these elements were determined simultaneously to be in the range from 3 to 20 ng/L.
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