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Journal Article

Characterisation of Conventional87Sr/86SrIsotope Ratios in Cement, Limestone and Slate Reference Materials Based on an Interlaboratory Comparison Study

Authors

Kazlagić,  Anera
External Organizations;

Rosner,  Martin
External Organizations;

Cipriani,  Anna
External Organizations;

/persons/resource/dfrick

Frick,  Daniel A.
3.3 Earth Surface Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/glodnyj

Glodny,  J.
3.1 Inorganic and Isotope Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Hoffmann,  Elis J.
External Organizations;

Hora,  John M.
External Organizations;

Irrgeher,  Johanna
External Organizations;

Lugli,  Federico
External Organizations;

Magna,  Tomas
External Organizations;

Meisel,  Thomas C.
External Organizations;

Meixner,  Anette
External Organizations;

Possolo,  Antonio
External Organizations;

Pramann,  Axel
External Organizations;

Pribil,  Michael J.
External Organizations;

Prohaska,  Thomas
External Organizations;

Retzmann,  Anika
External Organizations;

Rienitz,  Olaf
External Organizations;

Rutherford,  Daniel
External Organizations;

Paula‐Santos,  Gustavo M.
External Organizations;

Tatzel,  Michael
External Organizations;

Widhalm,  Sara
External Organizations;

Willbold,  Matthias
External Organizations;

Zuliani,  Tea
External Organizations;

Vogl,  Jochen
External Organizations;

External Ressource
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Fulltext (public)

5022384.pdf
(Publisher version), 2MB

Supplementary Material (public)
There is no public supplementary material available
Citation

Kazlagić, A., Rosner, M., Cipriani, A., Frick, D. A., Glodny, J., Hoffmann, E. J., Hora, J. M., Irrgeher, J., Lugli, F., Magna, T., Meisel, T. C., Meixner, A., Possolo, A., Pramann, A., Pribil, M. J., Prohaska, T., Retzmann, A., Rienitz, O., Rutherford, D., Paula‐Santos, G. M., Tatzel, M., Widhalm, S., Willbold, M., Zuliani, T., Vogl, J. (2023): Characterisation of Conventional87Sr/86SrIsotope Ratios in Cement, Limestone and Slate Reference Materials Based on an Interlaboratory Comparison Study. - Geostandards and Geoanalytical Research, 47, 4, 821-840.
https://doi.org/10.1111/ggr.12517


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5022384
Abstract
An interlaboratory comparison (ILC) was organised to characterise 87Sr/86Sr isotope ratios in geological and industrial reference materials by applying the so-called conventional method for determining 87Sr/86Sr isotope ratios. Four cements (VDZ 100a, VDZ 200a, VDZ 300a, IAG OPC-1), one limestone (IAG CGL ML-3) and one slate (IAG OU-6) reference materials were selected, covering a wide range of naturally occurring Sr isotopic signatures. Thirteen laboratories received aliquots of these six reference materials together with a detailed technical protocol. The consensus values for the six reference materials and their associated measurement uncertainties were obtained by applying a Gaussian, linear mixed effects model fitted to all the measurement results. By combining the consensus values and their uncertainties with an uncertainty contribution for potential heterogeneity, reference values ranging from 0.708134 mol mol-1 to 0.729778 mol mol-1 were obtained with relative expanded uncertainties of ≤ 0.007 %. This study represents an ILC on conventional 87Sr/86Sr isotope ratios, within which metrological principles were considered and the compatibility of measurement results obtained by MC-ICP-MS and by MC-TIMS is demonstrated. The materials characterised in this study can be used as reference materials for validation and quality control purposes and to estimate measurement uncertainties in conventional 87Sr/86Sr isotope ratio measurement.