Determination of semi-volatile priority pollutants in landfill leachates and sediments using microwave-assisted headspace solid-phase microextraction

• Tipo: Artigo em Revista Científica Internacional
• Data: 2006

Autores

Paulo Herbert (Autor) Outra; Ana L Silva (Autor) Outra; Maria J Joao (Autor) Outra; Lucia Santos (Autor) FEUP; Arminda Alves (Autor) FEUP

Revista

Título: Analytical and Bioanalytical Chemistry

Vol. 386

Páginas: 324-331

ISSN: 1618-2642

Editora: Springer Nature

Indexação

ISI Web of Knowledge - 33 Citações

ISI Web of Science

Scopus - 39 Citações

Classificação Científica

FOS: Ciências exactas e naturais > Química

CORDIS: Ciências Naturais

Outras Informações

ID Authenticus: P-004-HBA

DOI: 10.1007/s00216-006-0632-x

Abstract (EN): The present work was focused on the development of a simple method aimed at the determination of 12 polycyclic aromatic hydrocarbons (PAHs) and 15 polychlorinated biphenyls (PCBs) in landfill leachates and sediments by adapting a domestic microwave oven to perform microwave-assisted headspace solid-phase microextraction (MA-HS-SPME) followed by gas chromatographic separation and tandem mass spectrometric detection. Good linearity was observed within the concentration range studied; detection limits ranged from 0.1 ng/l to 7 ng/l for PCBs and from 5 ng/l to 926 ng/l for PAHs. Concerning precision, the relative standard deviations obtained were, on average for the leachate and sediment samples analysed, 18% for PCBs and 20% for PAHs. Average recovery values were 37% and 76% for PCBs, and 58% and 48% for PAHs, respectively, for the leachate and reference sediment studied. The method allows the determination of PAHs and PCBs in landfill leachates and sediments, avoiding clean-up steps and the consumption of organic solvents.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 8