Logo of the Atomic Weights Commission Logo of the International Union of Pure and Applied Chemistry

    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 ‰.

    δ82/76Se Values of Reference Materials

    Name Material δ82/76SeSRM3149
    NIST SRM 3149Se in solution 0 ‰*
    Name Material δ82/76SeSRM3149

    Footnotes      Back to Top
    * Exact value defining the δ82/76SeSRM3149 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)