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Ion Chromatography-ICP-MS And ESI-MS Used For The Chemical Speciation Analysis | 10207
Journal of Analytical & Bioanalytical Techniques
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Hyphenation of separation technologies and element-selective or molecule-selective detection systems is the general technique
of speciation analyses. It has become a common practice in recent years to ion chromatography (LC) with inductively coupled
plasma-mass spectrometry (ICP-MS) for ultra-sensitive detection of trace element of interest. Since the ICP is a destructive
ionization source, it provides no inherent information about the chemical species. Thus, most speciation studies make use of
HPLC-ICP-MS with known standards for compound identification via matching of retention times. However, standards are not
always available and methods such as HPLC produce retention times that may vary with separation conditions, making complex
identification and conformation far less rigorous than is desirable. For these reasons, ICP-MS and ESI-MS have been applied as
complementary techniques, providing elemental and molecular information that together provide a complete picture of metal
complex speciation. In this presentation, we give our recently work for the speciation analysis using ion chromatography (IC)
and inductively coupled plasma mass spectrometry (ICP-MS) and electrospray mass spectrometry (ESI-MS). Various chemical
speciation, including As, Cr, Se, V, Br, I, Sn, Zn and Pb aminocarboxylic complexes, metal-EDTA complexes were determined by
both LC-ICP-MS and ESI-MS. The methods used for analysis of the real samples are also presented.
Zu Liang Chen has completed his Ph.D. from University of New South Wales in 1995 and postdoctoral studies from University of Tasmania. He is
an Associated Professor at Centre for Environmental Risk Assessment and Remediation, University of South Australia. He has published more than
150 papers in reputed journals in analytical chemistry and nanomaterials used for the environmental remediation.
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