Identification of sulfur interferences during organotin determination in harbour sediment samples by sodium tetraethyl borate ethylation and gas chromatography-pulsed flame photometric detection

Manuel Bravo, Gäetane Lespes, Ida De Gregori, Hugo Pinochet, Martine Potin-Gautier

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

36 Citas (Scopus)

Resumen

Because of the high toxicity of organotin compounds and the current regulation about their applications, analytical method usable in routine analysis is required. A speciation procedure based on NaBEt 4 ethylation and GC-PFPD analysis has shown to be suitable for the organotin determination. Unfortunately, some matrix effects were observed during the analysis of harbour sediments from Chile. These effects were identified as the alkylation of elemental sulfur and the coelution between the organotin compounds and some dialkylsulfides. The re-optimization of GC parameters and application of solid phase microextraction (SPME) were proposed to solve these analytical problems. Certified reference materials and different harbour sediment samples were analysed in order to evaluate the suitability of the methods for organotin control in complex environment samples.

Idioma originalInglés
Páginas (desde-hasta)217-224
Número de páginas8
PublicaciónJournal of Chromatography A
Volumen1046
N.º1-2
DOI
EstadoPublicada - 13 ago. 2004
Publicado de forma externa

Huella

Profundice en los temas de investigación de 'Identification of sulfur interferences during organotin determination in harbour sediment samples by sodium tetraethyl borate ethylation and gas chromatography-pulsed flame photometric detection'. En conjunto forman una huella única.

Citar esto