Can we quantify trace metals in an adsorbent using proton induced x-ray emission (PIXE)?

Nirbhay N. Yadav, Saravanamuthu Maheswaran, Vaithiyalingam Shutthanandan, Suntharampillai Thevuthasan, Huu-Hao Ngo, Saravanamuthu Vigneswaran

    Research output: Chapter in Book / Conference PaperConference Paper

    Abstract

    ![CDATA[Granular activated carbon (GAC) has been extensively used to remove trace metals from drinking water. We have used PIXE to quantify trace metals, in particular, arsenic in GAC. The results were compared with atomic absorption spectrophotometry (AAS). Some differences have been observed between these two measurements mainly due to the inhomogeneous structure of GAC. 1. Introduction: Granular activated carbon (GAC) has been extensively used to remove trace metals from drinking water for a number of years because it is a highly cost effective treatment on a small scale. To date, there has been no published literature on non-destructive methods to quantify the actual amount of trace metals adsorbed by the GAC directly. Proton induced X-ray emission (PIXE) is an ideal analytical tool, which is suitable for simultaneously quantifying trace elements with sensitivity of at least parts per million (ppm).]]
    Original languageEnglish
    Title of host publicationProceedings of the 27th Annual A&NZIP Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, 4 - 7 February 2003
    PublisherAustralian Institute of Physics
    Number of pages3
    ISBN (Electronic)0959806458
    ISBN (Print)0959806466
    Publication statusPublished - 2003
    EventA&NZIP Condensed Matter and Materials Meeting -
    Duration: 1 Jan 2003 → …

    Conference

    ConferenceA&NZIP Condensed Matter and Materials Meeting
    Period1/01/03 → …

    Keywords

    • trace elements
    • metals
    • carbon, activated
    • arsenic
    • proton-induced X-ray emission
    • drinking water

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