On the performance of an on-line time-of-flight mass spectrometer for aerosols

M. Weiss*, P. J.T. Verheijen, J. C.M. Marijnissen, B. Scarlett

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    46 Citations (Scopus)

    Abstract

    An instruments has been developed to analyze the size and chemical composition of individual, air-borne particles. The particles are introduced into the vacuum chamber of a time-of-flight mass spectrometer where they are detected and sized using an aerodynamic principle. After sizing, the particles are vaporized by an excimer laser and the resulting ions are analyzed. Experiments have shown that polystyrene particles 1 μm in diameter are not fully vaporized by the laser pulse. The instrument has been characterized and some examples of measurements on ambient and artificial aerosols are presented.

    Original languageEnglish
    Pages (from-to)159-171
    Number of pages13
    JournalJournal of Aerosol Science
    Volume28
    Issue number1
    DOIs
    Publication statusPublished - 1 Jan 1997

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