Publications by authors named "Peter Sperlich"

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Stable Isotope Reference Materials and Scale Definitions-Outcomes of the 2024 IAEA Experts Meeting.
Federica Camin, Dinka Besic, Paul J Brewer, Colin E Allison, Tyler B Coplen, Peter Sperlich

Rapid Commun Mass Spectrom· July 2025

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Reply to Uveges et al.: The assumption of a time-constant emission factor leads to biased estimates of fossil fuel methane emissions.
Sylvia Englund Michel, Xin Lan, John Miller, Pieter Tans, Justin Reid Clark, Peter Sperlich

Proc Natl Acad Sci U S A· June 2025

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Rapid shift in methane carbon isotopes suggests microbial emissions drove record high atmospheric methane growth in 2020-2022.
Sylvia Englund Michel, Xin Lan, John Miller, Pieter Tans, J Reid Clark, Peter Sperlich

Proc Natl Acad Sci U S A· October 2024

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A robust method for direct calibration of isotope ratios in gases against liquid/solid reference materials, including a laboratory comparison for δ C-CH.
Peter Sperlich, Heiko Moossen, Heike Geilmann, Sarah J Bury, Julie C S Brown

Rapid Commun Mass Spectrom· January 2021

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Automated simultaneous measurement of the δ(13) C and δ(2) H values of methane and the δ(13) C and δ(18) O values of carbon dioxide in flask air samples using a new multi cryo-trap/gas chromatography/isotope ratio mass spectrometry system.
Willi A Brand, Michael Rothe, Peter Sperlich, Martin Strube, Magnus Wendeberg

Rapid Commun Mass Spectrom· July 2016

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