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Water-soluble and total sulfur in particulate matter determined by Inductively Coupled Plasma Dynamic Reaction Cell Mass Spectrometry (ICP-DRC-MS)

  • Suk Fun Kan
  • , Peter A. Tanner

    Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

    Abstract

    An instrumental method has been developed for the determination of sulfur in particulate matter using inductively coupled plasma dynamic reaction cell mass spectrometry. The reaction gas O2 was employed to convert S + into the diatomic species SO+, and analysed at two different mass-to-charge ratios. The limit of detection for the 32S16O+ determination is ∼1 ng Sm -3. The method has the advantages that not only soluble sulfur (as commonly analysed by ion chromatography) but also total sulfur can be determined on the same instrument as many metal species. The mean values (± standard deviations) for a spring sampling program of particulate matter of diameter less than 10μm(PM10) in Hong Kong (n = 13) for soluble and total S were 5.2 ±1.2μgm-3 and 5.5 ± 1.3 μgm-3 respectively. These values are quite low owing to a predominantly easterly airstream. Sulfur in PM10 is strongly correlated with the crustal species Ca, Al and Mn. © CSIRO 2006.
    Original languageEnglish
    Pages (from-to)149-153
    JournalEnvironmental Chemistry
    Volume3
    Issue number2
    DOIs
    Publication statusPublished - 2006

    Bibliographical note

    Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

    Funding

    This work was supported by the City University of Hong Kong Research Grant 9360099.

    Research Keywords

    • Analysis
    • Atomic spectrometry
    • Particulate matter
    • Sulfate
    • Sulfur

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