High-precision measurements of 17O/16O and 18O/16O of O2 and O2/Ar ratio in air

Eugeni Barkan; Boaz Luz

doi:10.1002/rcm.1267

High-precision measurements of ¹⁷O/¹⁶O and ¹⁸O/¹⁶O of O² and O₂/Ar ratio in air

Eugeni Barkan^*, Boaz Luz

^*Corresponding author for this work

Fredy & Nadine Herrmann Institute of Earth Sciences

Research output: Contribution to journal › Article › peer-review

112 Scopus citations

Abstract

A method for high-precision and high-accuracy mass spectometric measurements of the ratios among the three oxygen isotopes, and of the O ₂/Ar ratio, is presented. It involves separation of the O ₂-Ar mixture from air and includes a fully automated system that ensures highly reliable sample processing. Repeated measurements of atmospheric oxygen yield the repeatability (±SE × t, standard error of the mean (n = 12) multiplied by Student's t-factor for a 95% confidence limit) of 0.004, 0.003 and 0.2‰ for δ¹⁸O, δ¹⁷O and δO₂/Ar, respectively.

Original language	English
Pages (from-to)	2809-2814
Number of pages	6
Journal	Rapid Communications in Mass Spectrometry
Volume	17
Issue number	24
DOIs	https://doi.org/10.1002/rcm.1267
State	Published - 2003

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10.1002/rcm.1267

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abstract = "A method for high-precision and high-accuracy mass spectometric measurements of the ratios among the three oxygen isotopes, and of the O 2/Ar ratio, is presented. It involves separation of the O 2-Ar mixture from air and includes a fully automated system that ensures highly reliable sample processing. Repeated measurements of atmospheric oxygen yield the repeatability (±SE × t, standard error of the mean (n = 12) multiplied by Student's t-factor for a 95% confidence limit) of 0.004, 0.003 and 0.2‰ for δ18O, δ17O and δO2/Ar, respectively.",

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AB - A method for high-precision and high-accuracy mass spectometric measurements of the ratios among the three oxygen isotopes, and of the O 2/Ar ratio, is presented. It involves separation of the O 2-Ar mixture from air and includes a fully automated system that ensures highly reliable sample processing. Repeated measurements of atmospheric oxygen yield the repeatability (±SE × t, standard error of the mean (n = 12) multiplied by Student's t-factor for a 95% confidence limit) of 0.004, 0.003 and 0.2‰ for δ18O, δ17O and δO2/Ar, respectively.

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High-precision measurements of ¹⁷O/¹⁶O and ¹⁸O/¹⁶O of O² and O₂/Ar ratio in air

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