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    Osmium Isotope Materials

    Isotope measurements of osmium are used primarily to obtain information on the origin of igneous rocks, the evolution of the Earth’s crust and mantle, and climate-related processes.

    δ(187/188Os) Values of Reference Materials

    Name Material δIAG-CRM-4(187/188Os)
    IAG-CRM-4solution 0 ‰ *
    Name Material δIAG-CRM-4(187/188Os)

    Footnotes      Back to Top
    * Exact value defining the δ(187/188Os) IAG-CRM-4 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)