Problems and Suggestions Concerning the Notation of Cadmium Stable Isotope Compositions and the Use of Reference Materials |
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Authors: | Frank Wombacher ,Mark Rehkä mper |
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Affiliation: | IfM-GEOMAR Leibniz-lnstitut für Meereswissenschaften, Wischofstrasse 1–3, 24148 Kiel, Germany;Institut für Mineralogie, Universität Münster, Corrensstasse 24, 48149 Münster, Germany;Institute of Isotope Geology and Mineral Resources, ETH-Zentrum, CH-8092 Zürich, Switzerland |
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Abstract: | Notations for Cd stable isotope compositions and the use of reference materials are discussed. It is proposed that Cd stable isotope data should be reported as variations of the 114Cd/110Cd ratio/ using either the δ114/110Cd or ε114/110Cd notations. Future publications should report results for BAM-1012 Cd, the only currently available international Cd isotope reference material. It is also recommended that "Münster Cd" and a range of specified geological reference materials are used as additional reference materials. The final choice of a primary "zero-delta" reference standard remains the most important outstanding question. |
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Keywords: | Keywords: Cd stable isotopes notation |
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