Development and optimization of headspace and headspace-solid phase microextraction for the determination of volatile fuel compounds in environmental samples

  1. Balseiro-Romero, María
  2. Chaves-Padín, Raquel
  3. Monterroso, Carmen
Revista:
Spanish Journal of Soil Science: SJSS

ISSN: 2253-6574

Ano de publicación: 2016

Volume: 6

Número: 3

Páxinas: 230-243

Tipo: Artigo

DOI: 10.3232/SJSS.2016.V6.N3.05 DIALNET GOOGLE SCHOLAR lock_openDialnet editor

Outras publicacións en: Spanish Journal of Soil Science: SJSS

Resumo

La aplicación de metodologías analíticas sensibles y efectivas para la determinación de los contaminantes del suelo es una etapa crucial para la realización de experimentos de monitorización y remediación. En el presente trabajo, se optimizó el análisis de compuestos orgánicos volátiles (VFOC) comúnmente presentes en combustibles: incluyendo compuestos oxigenados (FO-MTBE y ETBE-) y hidrocarburos monoaromáticos, tales como benceno, tolueno, etilbenceno y xileno (BTEX). Los métodos de extracción en headspace (HS) y microextracción en fase sólida en headspace (HS-SPME) fueron optimizados para aguas contaminadas y después validadas para suelos, utilizando muestras contaminadas de forma artificial. La corrección del efecto matriz con estándares tipo surrogate fue esencial para el análisis de muestras de suelos, especialmente para aquellas que ejercían una fuerte adsorción sobre los contaminantes.

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Fonte de datos: Dialnet