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  Nano-Powdered Calcium Carbonate Reference Materials: Significant Progress for Microanalysis?

Jochum, K. P., Garbe-Schoenberg, D., Veter, M., Stoll, B., Weis, U., Weber, M., et al. (2019). Nano-Powdered Calcium Carbonate Reference Materials: Significant Progress for Microanalysis? Geostandards and Geoanalytical Research. doi:10.1111/ggr.12292.

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Jochum, Klaus Peter1, Author              
Garbe-Schoenberg, Dieter2, Author
Veter, Marina1, Author              
Stoll, Brigitte1, Author              
Weis, Ulrike1, Author              
Weber, Michael1, Author              
Lugli, Federico2, Author
Jentzen, Anna1, Author              
Schiebel, Ralf2, Author
Wassenburg, Jasper A.1, Author              
Jacob, Dorrit E.2, Author
Haug, Gerald H.1, Author              
Affiliations:
1Climate Geochemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_2237635              
2external, ou_persistent22              

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 Abstract: Homogeneity, mass fractions of about forty trace elements and Sr isotope composition of Ca carbonate referencematerials (RMs) between original and nano-powdered pellets are compared. Our results using nanosecond andfemtosecond LA-(MC)-ICP-MS show that the nano-pellets of the RMs MACS-3NP, JCp-1NP and JCt-1NP are about afactor of 2–3 more homogeneous than the original samples MACS-3, JCp-1 and JCt-1, and are therefore much moresuitable for microanalytical purposes. With the exception of Si, the mass fractions of the synthetic RM MACS-3 agree withits fine-grained analogue MACS-3NP. Very small, but significant, differences between original and nano-pellets areobserved in the RMs JCp-1 and JCt-1 for some trace elements with very low contents, indicating the need for re-certification. Strontium mass fractions in the analysed RMs are high (1500–7000 mg kg-1), and their isotopecompositions determined by LA-MC-ICP-MS in the original and the nano-pellets agree within uncertainty limits.

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Language(s): eng - English
 Dates: 2019
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: ISI: 000486595400001
DOI: 10.1111/ggr.12292
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Title: Geostandards and Geoanalytical Research
  Other : Geostand. Geoanal. Res.
Source Genre: Journal
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Publ. Info: Vandoeuvre-lès-Nancy : Association scientifique pour la géologie et ses applications with the assistance of the Centre national de la recherche scientifique
Pages: 15 Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISSN: 1639-4488
CoNE: https://pure.mpg.de/cone/journals/resource/954925476486