Literature DB >> 16579631

New guidelines for delta13C measurements.

Tyler B Coplen1, Willi A Brand, Matthias Gehre, Manfred Gröning, Harro A J Meijer, Blaza Toman, R Michael Verkouteren.   

Abstract

Consistency of delta13C measurements can be improved 39-47% by anchoring the delta13C scale with two isotopic reference materials differing substantially in 13C/12C. It is recommended that delta13C values of both organic and inorganic materials be measured and expressed relative to VPDB (Vienna Peedee belemnite) on a scale normalized by assigning consensus values of -46.6 per thousand to L-SVEC lithium carbonate and +1.95 per thousand to NBS 19 calcium carbonate. Uncertainties of other reference material values on this scale are improved by factors up to two or more, and the values of some have been notably shifted: the delta13C of NBS 22 oil is -30.03 per thousand.

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Year:  2006        PMID： 16579631     DOI： 10.1021/ac052027c

Source DB:  PubMed          Journal:  Anal Chem        ISSN： 0003-2700            Impact factor:   6.986


  54 in total

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4.  Metrology for stable isotope reference materials: 13C/12C and 18O/16O isotope ratio value assignment of pure carbon dioxide gas samples on the Vienna PeeDee Belemnite-CO2 scale using dual-inlet mass spectrometry.

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7.  13C kinetic isotope effects on the reaction of a flavin amine oxidase determined from whole molecule isotope effects.

Authors:  José R Tormos; Marina B Suarez; Paul F Fitzpatrick
Journal:  Arch Biochem Biophys       Date:  2016-11-01       Impact factor: 4.013

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9.  Short-Term Stable Isotope Probing of Proteins Reveals Taxa Incorporating Inorganic Carbon in a Hot Spring Microbial Mat.

Authors:  Laurey Steinke; Gordon W Slysz; Mary S Lipton; Christian Klatt; James J Moran; Margie F Romine; Jason M Wood; Gordon Anderson; Donald A Bryant; David M Ward
Journal:  Appl Environ Microbiol       Date:  2020-03-18       Impact factor: 4.792

10.  Use of carbon isotopic ratios in nontargeted analysis to screen for anthropogenic compounds in complex environmental matrices.

Authors:  John W Washington; Charlita G Rosal; Elin M Ulrich; Thomas M Jenkins
Journal:  J Chromatogr A       Date:  2018-11-11       Impact factor: 4.759
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