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Collection, compilation and evaluation of elemental and isotopic data of calcium carbonate and hydroxyapatite materials and the assessment of their usability to act as reference materials

Published/Copyright: August 6, 2018
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Chemistry International
From the journal Chemistry International Volume 40 Issue 3

Isotopic information of (calcium)carbonates and hydroxyapatites are widely used in different fields of research in order to study provenance, migration, authenticity, and past records of environmental conditions (e.g. in climate change adaption). The objective of this project is to collect and compile data on the isotopic composition and mass fractions (with a focus on Sr, Pb, B, Ba, Li, Mg) of materials based on calcium carbonates and hydroxy apatites.

This project will evaluate the data with respect to the metrological quality of the analytical approach. For the first time, the isotope user community will be provided with metrologically sound values relative to the accepted 0-anchor materials for isotopic delta data in materials. This is of significant importance especially for solid sample analysis (e.g. by Laser ablation multi collector inductively coupled plasma mass spectrometry (LA-MC ICP-MS)). The values compiled within the project will be based on internationally published data as well on laboratory results. International laboratories (with a focus on metrological institutes) will be contacted so that they may provide their according data. The evaluation of the data will be based on metrological principles and according to the best practices of the IUPAC Commission on Isotopic Abundances and Atomic Weights (CIAAW). Along with the data, uncertainties of measurements will be collected and evaluated. A combined standard uncertainty budget will be calculated and an uncertainty value will be assigned to the recommended isotope values for the corresponding materials. The dataset will be provided to the stakeholders via the CIAAW homepage as well as scientific publications.

For more information, contact the Task Group Chair Thomas Prohaska <> https://iupac.org/project/2017-023-2-200

Published Online: 2018-08-06
Published in Print: 2018-07-01

©2018 IUPAC & De Gruyter. This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. For more information, please visit: http://creativecommons.org/licenses/by-nc-nd/4.0/

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https://doi.org/10.1515/ci-2018-0316

Articles in the same Issue

  1. Masthead - Full issue pdf
  2. Secretary General's Column
  3. IUPAC Large or Small? Some Fractal Character?
  4. Stamps International
  5. Nitrogen Fixation before Haber
  6. Features
  7. The Future of the Chemical Sciences
  8. Chemistry in a Multidisciplinary, Interdisciplinary World
  9. IUPAC and IYCN: Forging New Connections to Support Younger Chemists Worldwide
  10. The Gender Gap in Science
  11. Chemistry in Senegal: Between Skepticism and Hope
  12. IUPAC Wire
  13. Seth Herzon is the recipient of the 2018 Thieme-IUPAC Prize
  14. Andreas Walther receives the Hanwha-Total IUPAC Young Scientist Award 2018
  15. Chris Brett awarded the medal of CCS
  16. IUPAC Announces the Winners of the 2018 IUPAC-Solvay International Award for Young Chemists
  17. IUPAC 2019 Distinguished Women in Chemistry or Chemical Engineering—Call for Nominations
  18. Project Place
  19. Alignment of principles for specifying ligands and substituent groups across various areas of nomenclature
  20. Expression of uncertainty in measurement
  21. DIGChem—a vision for chemical data standards
  22. Collection, compilation and evaluation of elemental and isotopic data of calcium carbonate and hydroxyapatite materials and the assessment of their usability to act as reference materials
  23. Glossary of terms used in biochar research
  24. IUPAC100 Global Breakfast
  25. Making an imPACt
  26. Terminology of bioanalytical methods (IUPAC Recommendations 2018)
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  28. Clarification of the term “normal material” used for standard atomic weights (IUPAC Technical Report)
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  31. Consideration of the sequence rule in rule P-94.2
  32. Bookworm
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  40. Croatian Meeting of Chemists and Chemical Engineers
  41. Crossing Divides—Science Towards Peace in the Middle East
  42. Mark Your Calendar
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