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An evaluation of reversed-phase and ion-exchange chromatography for use with inductively coupled plasma—mass spectrometry for the determination of organotin compounds

✍ Scribed by Cristina Rivas; Les Ebdon; E. Hywel Evans; Steve J. Hill

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
537 KB
Volume
10
Category
Article
ISSN
0268-2605

No coin nor oath required. For personal study only.

✦ Synopsis

An

evaluation of reversed-phase highperformance liquid chromatography (HPLC) employing mobile phases compatible with direct coupling to inductively coupled plasma-mass spectrometry (ICP-MS) is described for the selective and sensitive detection of organotin species. The findings of this study are compared with established methods, employing ion-exchange chromatography.

In order to achieve optimum performance, both the HPLC and ICP-MS were optimized for speciation work. The results from studies using various mobile phases for the separation of a range of tin compounds (inorganic tin, tributyltin, dibutyltin and monobutyltin) are discussed both in terms of resolution and compatibility with ICP-MS instrumentation. Tropolone, a commonly used complexing agent for organotin species, is also discussed with reference to the chromatographic separation of tin species.

Finally, the role of isotope dilution analysis in conjunction with HPLC-ICP-MS for organotin speciation is described with respect to the European Community Standards, Measurements and Testing (BCR) certified material programme.

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