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Validation of atmospheric aerosols sampling in equivalent fractions

Abstract

Physical properties and chemical composition of atmospheric aerosols are of extreme importance, in many fields of interest, namely the Environment even with legal implications. Atmospheric sampling poses inherent problems with consequent demands on sampling optimisation, with sampling strategies requiring validation. In this work a study was conducted aiming at validating the collection of atmospheric aerosols in equivalent fractions. Aerosols were actively collected using a sampling system consisting of a PM10 (≤ 10 μm) inlet coupled to a manifold with six channels of filter holders. The set up was mounted on the roof of building C8 of FCUL, in Lisbon. Samples were treated and analysed by Ion Chromatography (IC) for chloride, nitrate and sulphate anions, in the aerosol water-soluble fraction. The evaluation of the compatibility of measurement results was used to validate sampling and analytical procedures. The results obtained for the measurements in the six filter holder positions are, in general, compatible and the positions can be considered metrologically equivalent.

Authors (5)

  • Photo of  Cristina Maria Oliveira

    Cristina Maria Oliveira

    • University of Lisbon Department of Chemistry and Biochemistry, Faculty of Sciences
  • Photo of  Maria Filomena G. Camões

    Maria Filomena G. Camões

    • University of Lisbon Department of Chemistry and Biochemistry, Faculty of Sciences
  • Photo of  Alejandro Arias Fachado

    Alejandro Arias Fachado

    • University of Lisbon Department of Chemistry and Biochemistry, Faculty of Sciences
  • Photo of  Ricardo J. N. Bettencourt da Silva

    Ricardo J. N. Bettencourt da Silva

    • University of Lisbon Department of Chemistry and Biochemistry, Faculty of Sciences

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Details

Category:
Conference activity
Type:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Title of issue:
The Proceedings Book of the 1st Iberian Meeting on Aerosol Science and Technology strony 106 - 109
Language:
English
Publication year:
2013
Bibliographic description:
Oliveira C., Camões M., Bigus P., Fachado A., Bettencourt Da Silva R.: Validation of atmospheric aerosols sampling in equivalent fractions// The Proceedings Book of the 1st Iberian Meeting on Aerosol Science and Technology/ ed. Maria João Costa, Ana Maria Silva, Juan Luis Guerrero Rascado, S é rgioPereiraDanieleBortoliandRuiSalgado e chnolog y S é rgio Pereira , Daniele Bortoli and Rui Salgado Évora: Centro de Geofísica de Évora, Universidade de Évora , 2013, s.106-109
Verified by:
Gdańsk University of Technology

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