STP1344

    Evaluation of Chelation Preconcentration for the Determination of Actinide Elements by Flow Injection ICP-MS

    Published: Jan 1998


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    Abstract

    A chelation column preconcentration method has been developed for the determination of uranium and thorium in waters by ICP-MS. Detection limits of 24 pg and 60 pg respectively were obtained, but these were blank limited. Uranium and Thorium were determined in certified reference materials. Results for uranium were 121 ± 21 and 15 ± 3 ng g-1 in NIST 1566a and NIST 1575 compared with certified values of 132 ± 12 and 20 ± 4 ng g-1 respectively. Results for thorium were 29 ± 8 and 28 ± 5 ng g-1 in NIST 1566a and NIST 1575 compared with indicative and certified values of 40 and 37 ± 3 ng g-1 respectively. The on-line separation of actinide radionuclides was achieved by selective elution of U, Th, Pu, Np, and Am.

    Keywords:

    ICP-MS, actinides, radioisotopes, chelation, chromatography


    Author Information:

    Evans, EH
    Senior lecturer, research student, research assistant and principal lecturer, University of Plymouth, Plymouth,

    Truscott, JB
    Senior lecturer, research student, research assistant and principal lecturer, University of Plymouth, Plymouth,

    Bromley, L
    Senior lecturer, research student, research assistant and principal lecturer, University of Plymouth, Plymouth,

    Jones, P
    Senior lecturer, research student, research assistant and principal lecturer, University of Plymouth, Plymouth,

    Turner, J
    Research technician and research manager, LGC, Teddington, Middlesex

    Fairman, BE
    Research technician and research manager, LGC, Teddington, Middlesex


    Paper ID: STP15728S

    Committee/Subcommittee: C26.09

    DOI: 10.1520/STP15728S


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