Análise de resíduos contaminados com creosoto por cromatografia gasosa bidimensional abrangente (GC×GC). Uma nova ferramenta analítica para amostras ambientais complexas
Mateus, Eduardo P.; Zrostlikova, Jytka; Ribeiro, Alexandra B.; Marriot, Philip; Silva, Marco D. R. G. da
Palavras-chave: Comprehensive two dimensional gas chromatography, creosote.
Resumo: In this work the separation and identification of volatile organic compounds contained in creosote-treated wood was performed after extraction by purge and trap at room temperature. Comprehensive two dimensional gas chromatography (GC × GC) technique hyphenated with a time of flight (ToF-MS) mass analyzer was used. This study demonstrated the capabilities of using GC × GC separation together with the spectral deconvolution of the analytes, leading to better secure peak identifications, and to more sustained tentative identifications of unknown compounds.
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