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Sökning: WFRF:(Hathorne Ed C.) > (2021) > Sub‐Permil Interlab...

Sub‐Permil Interlaboratory Consistency for Solution‐Based Boron Isotope Analyses on Marine Carbonates

Gutjahr, Marcus (författare)
GEOMAR Helmholtz Centre for Ocean Research Kiel, Wischhofstrasse 1‐3, 24148 Kiel, Germany
Bordier, Louise (författare)
Laboratoire des Sciences du Climat et de l’Environnement, LSCE/IPSL, CEA‐CNRS‐UVSQ, Université Paris‐Saclay, F‐91191 Gif‐sur‐Yvette, France
Douville, Eric (författare)
Laboratoire des Sciences du Climat et de l’Environnement, LSCE/IPSL, CEA‐CNRS‐UVSQ, Université Paris‐Saclay, F‐91191 Gif‐sur‐Yvette, France
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Farmer, Jesse (författare)
Department of Earth and Environmental Sciences and Lamont‐Doherty Earth Observatory, Columbia University, 61 Route 9W Palisades, NY, 10964 USA; Princeton University, Department of Geosciences, Guyot Hall, Princeton, NJ, 08544, USA
Foster, Gavin L. (författare)
School of Ocean and Earth Science, University of Southampton, National Oceanography Centre, Southampton, European Way, Southampton, SO14 3ZH, UK
Hathorne, Ed C. (författare)
GEOMAR Helmholtz Centre for Ocean Research Kiel, Wischhofstrasse 1‐3, 24148 Kiel, Germany
Hönisch, Bärbel (författare)
Department of Earth and Environmental Sciences and Lamont‐Doherty Earth Observatory, Columbia University, 61 Route 9W Palisades, NY, 10964, USA
Lemarchand, Damien (författare)
Laboratoire d'Hydrologie et de Géochimie de Strasbourg, EOST, Université de Strasbourg et CNRS, 1 rue Blessig, 67084 Strasbourg, France
Louvat, Pascale (författare)
Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris‐Diderot, UMR CNRS 7154, 1 rue Jussieu, 75238 Paris, Cedex, France
McCulloch, Malcolm (författare)
ARC Centre of Excellence for Coral Reef Studies, School of Earth and Environment, The University of Western Australia, Crawley, 6009 Australia
Noireaux, Johanna (författare)
Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris‐Diderot, UMR CNRS 7154, 1 rue Jussieu, 75238 Paris, Cedex, France
Pallavicini, Nicola (författare)
ALS Scandinavia AB, Aurorum 10, SE‐97775 Luleå, Sweden
Rae, James W.B. (författare)
Geological and Planetary Sciences, Caltech, 1200 E California Blvd, Pasadena, California, 91125, USA; School of Earth and Environmental Sciences, University of St Andrews, North Street, St Andrews, UK
Rodushkin, Ilia (författare)
Luleå tekniska universitet,Geovetenskap och miljöteknik,ALS Scandinavia AB, Aurorum 10, SE‐97775 Luleå, Sweden
Roux, Philippe (författare)
Laboratoire d'Hydrologie et de Géochimie de Strasbourg, EOST, Université de Strasbourg et CNRS, 1 rue Blessig, 67084 Strasbourg, France; Biogéochimie des Ecosystèmes Forestiers, INRA, 54280 Champenoux, France
Stewart, Joseph A. (författare)
School of Ocean and Earth Science, University of Southampton, National Oceanography Centre, Southampton, European Way, Southampton, SO14 3ZH UK; School of Earth Sciences, University of Bristol, Queens Road, Bristol, BS8 1RJ, UK
Thil, François (författare)
Laboratoire des Sciences du Climat et de l’Environnement, LSCE/IPSL, CEA‐CNRS‐UVSQ, Université Paris‐Saclay, F‐91191 Gif‐sur‐Yvette, France
You, Chen‐Feng (författare)
Isotope Geochemistry Laboratory, Department of Earth Sciences, National Cheng Kung University, No 1 University Road, 701 Tainan, Taiwan
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 (creator_code:org_t)
2020-11-11
2021
Engelska.
Ingår i: Geostandards and Geoanalytical Research. - : John Wiley & Sons. - 1639-4488 .- 1751-908X. ; 45:1, s. 59-75
Relaterad länk:
https://doi.org/10.1...
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https://onlinelibrar...
https://urn.kb.se/re...
https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Boron isotopes in marine carbonates are increasingly used to reconstruct seawater pH and atmospheric pCO2 through Earth’s history. While isotope ratio measurements from individual laboratories are often of high quality, it is important that records generated in different laboratories can equally be compared. Within this Boron Isotope Intercomparison Project (BIIP), we characterised the boron isotopic composition (commonly expressed in δ11B) of two marine carbonates: Geological Survey of Japan carbonate reference materials JCp‐1 (coral Porites) and JCt‐1 (giant clam Tridacna gigas). Our study has three foci: (i) to assess the extent to which oxidative pre‐treatment, aimed at removing organic material from carbonate, can influence the resulting δ11B; (ii) to determine to what degree the chosen analytical approach may affect the resultant δ11B, and (iii) to provide well‐constrained consensus δ11B values for JCp‐1 and JCt‐1. The resultant robust mean and associated robust standard deviation (s*) for un‐oxidised JCp‐1 is 24.36 ± 0.45‰ (2s*), compared with 24.25 ± 0.22‰ (2s*) for the same oxidised material. For un‐oxidised JCt‐1, respective compositions are 16.39 ± 0.60‰ (2s*; un‐oxidised) and 16.24 ± 0.38‰ (2s*; oxidised). The consistency between laboratories is generally better if carbonate powders were oxidatively cleaned prior to purification and measurement.

Ämnesord

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Geokemi (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Geochemistry (hsv//eng)

Nyckelord

mass spectrometry
Geological Survey of Japan
boron isotopes
carbonate reference materials
interlaboratory experiment
Applied Geochemistry
Tillämpad geokemi

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