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Speciation of n-butyltin compounds by atomic absorption spectrometry with an electrothermal quartz furnace after hydride generation

✍ Scribed by Louise Randall; Olivier F.X Donard; James H Weber

Publisher: Elsevier Science
Year: 1986
Tongue: English
Weight: 475 KB
Volume: 184
Category: Article
ISSN: 0003-2670
DOI: 10.1016/s0003-2670(00)86482-x

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✦ Synopsis

A method is described for the speciation of n-butyltin compounds. The compounds are volatilized from aqueous solution, trapped on a chromatographic packing material contained in a teflon column, and separated on the basis of differing boiling points. The column is attached directly to an electrothermal quartz furnace of an atomic absorption spectrometer for detection at 224.61 nm. Absolute detection limits (30) are 11-45 pg as tin, calibration curves are linear to 13 ng, and reproducibility at the 2-ng level ranges from 5% for mono-n-butyltin to 18% for tri(n-butyl)tin.

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