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Determination of ultra-trace levels of gold in size-segregated atmospheric particulate samples by laser induced fluorescence: towards an aerosol tracer

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Abstract

A method is described for measuring the gold content of integral and size-segregated samples of atmospheric particulate matter. After acid digestion and a liquid/ liquid extraction, the sample are analysed by Two-Colour Laser Induced Fluorescence in a graphite furnace. An absolute instrumental detection limit of 1 fg is achieved. Assuming a sampled volume of 1 m3, this corresponds to an atmospheric concentration of 50 fg m–3. Due to blank limited noise, the above limits increase to 20 fg and 1 pg m–3, respectively. Results of the analysis of filter samples as well as of size-segregated impactor samples are presented.

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Authors and Affiliations

  1. Joint Research Centre, Environment Institute, Commission of the European Communities, I-21020, Ispra (Varese), Italy

    H. Beissler, G. A. Petrucci, U. Panne, P. Cavalli & N. Omenetto

  2. Technische Hochschule Darmstadt, Fachbereich Chemie, Petersenstrasse 18, D-64287, Darmstadt, Germany

    K. Bächmann

Authors
  1. H. Beissler
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  2. G. A. Petrucci
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  3. K. Bächmann
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  4. U. Panne
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  5. P. Cavalli
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  6. N. Omenetto
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Beissler, H., Petrucci, G.A., Bächmann, K. et al. Determination of ultra-trace levels of gold in size-segregated atmospheric particulate samples by laser induced fluorescence: towards an aerosol tracer. Fresenius J Anal Chem 355, 345–347 (1996). https://doi.org/10.1007/s0021663550345

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  • DOI: https://doi.org/10.1007/s0021663550345

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