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<identifier>oai:HAL:hal-00407629v1</identifier>
<datestamp>2018-01-11</datestamp>
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<title lang=en>Towards the development of a fossil bone geochemical standard: An inter-laboratory study</title>
<creator>Chavagnac, V.</creator>
<creator>Milton, J. A.</creator>
<creator>Green, D. R. H.</creator>
<creator>Breuer, J.</creator>
<creator>Bruguier, Olivier</creator>
<creator>Jacob, D. E.</creator>
<creator>Jong, T.</creator>
<creator>Kamenov, G. D.</creator>
<creator>Le Huray, J.</creator>
<creator>Liu, Yehan</creator>
<creator>Palmer, M. R.</creator>
<creator>Pourtales, Simone</creator>
<creator>Roduhskin, I.</creator>
<creator>Soldati, A.</creator>
<creator>Trueman, C. N.</creator>
<creator>Yuan, H.</creator>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<source>ISSN: 0003-2670</source>
<source>Analytica Chimica Acta</source>
<publisher>Elsevier Masson</publisher>
<identifier>hal-00407629</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00407629</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00407629</source>
<source>Analytica Chimica Acta, Elsevier Masson, 2007, 599 (2), pp.177-190. 〈10.1016/j.aca.2007.08.015〉</source>
<identifier>DOI : 10.1016/j.aca.2007.08.015</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.aca.2007.08.015</relation>
<language>en</language>
<subject lang=en>Chemical composition</subject>
<subject lang=en>Biogenic phosphate</subject>
<subject lang=en>Reference material</subject>
<subject lang=en>Fossil bone/tooth</subject>
<subject>[CHIM.ANAL] Chemical Sciences/Analytical chemistry</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Ten international laboratories participated in an inter-laboratory comparison of a fossil bone composite with the objective of producing a matrix and structure-matched reference material for studies of the bio-mineralization of ancient fossil bone. We report the major and trace element compositions of the fossil bone composite, using in-situ method as well as various wet chemical digestion techniques. For major element concentrations, the intra-laboratory analytical precision (%RSDr) ranges from 7 to 18%, with higher percentages for Ti and K. The %RSDr are smaller than the inter-laboratory analytical precision (%RSDR; <15-30%). Trace element concentrations vary by similar to 5 orders of magnitude (0.1 mg kg(-1) for Th to 10,000 mg kg(-1) for Ba). The intra-laboratory analytical precision %RSDr varies between 8 and 45%. The reproducibility values (%RSDR) range from 13 to <50%, although extreme value >100% was found for the high field strength elements (Hf, Th, Zr, Nb). The rare earth element (REE) concentrations, which vary over 3 orders of magnitude, have %RSDr and %RSDR values at 8-15% and 20-32%, respectively. However, the REE patterns (which are very important for paleo-environmental, taphonomic and paleo-oceanographic analyses) are much more consistent. These data suggest that the complex and unpredictable nature of the mineralogical and chemical composition of fossil bone makes it difficult to set-up and calibrate analytical instruments using conventional standards, and may result in non-spectral matrix effects. We propose an analytical protocol that can be employed in future inter-laboratory studies to produce a certified fossil bone geochemical standard. (C) 2007 Elsevier B.V. All rights reserved.</description>
<date>2007</date>
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