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    Selenium Isotope Materials

    Natural variations of selenium isotopic abundances are now best measured by multi-collector ICP-MS using the 82Se/76Se ratio, which exhibits a natural range of almost 15 ‰.

    δ(82/76Se) Values of Reference Materials

    Name Material δSRM3149(82/76Se)
    NIST SRM 3149Se in solution 0 ‰*
    Name Material δSRM3149(82/76Se)

    Footnotes      Back to Top
    * Exact value defining the δ(82/76Se) SRM3149 scale.
    The values listed in this table are compilation and are not necessarily CIAAW recommendations.


    W.A. Brand et al
    Assessment of international reference materials for isotope-ratio analysis Pure and Applied Chemistry 86, 425-467 (2014)