title: Elemental speciation analysis by multicapillary gas chromatography with microwave-induced plasma atomic spectrometric detection.
abstract: Multicapillary column gas chromatography (MC-GC)/microwave-induced plasma atomic emission spectrometry (MIP AES) was developed for fast speciation analysis of organotin compounds in the environment. Ethylated butyltin compounds could be separated isothermally within less than 30 s (instead of ∼5-10 min) without sacrificing either the resolution or the sample capacity of conventional capillary GC with oven temperature gradient programming. Careful optimization of the pressure and temperature GC program allowed a comprehensive organotin speciation analysis including phenyltin compounds within less than 2.5 min, increasing the sample throughput 6-fold. Compatibility of MC-GC with an MIP atomic emission detector (MIP-AED) was discussed. MC-GC/MIP-AES was validated for the analysis of sediment (PACS-1 and BCR 462) and biological (NIES11) certified reference materials.
authors.affiliation: CNRS, URA 348, Université Bordeaux I, 351, Crs. de la Liberation, F-33 405 Talence, France.
authors.forename: I
authors.initials: I
authors.lastname: Rodriguez Pereiro
authors.forename: V O
authors.initials: VO
authors.lastname: Schmitt
authors.forename: R
authors.initials: R
authors.lastname: Lobiński