Hydrogen isotopic ratios of long-chain diols reflect salinity

J. Lattaud*, Zeynep Erdem, Gabriella M. Weiss, D. Rush, Sergio Balzano, D. Chivall, Marcel T.J. van der Meer, Ellen C. Hopmans, Jaap S. Sinninghe Damsté, Stefan Schouten

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Long-chain diols (LCDs) are ubiquitous lipids produced by freshwater and marine algae. A combination of semi-preparative high performance liquid chromatography and gas chromatography isotope ratio monitoring mass spectrometry, allowed the measurement of δ2H of individual LCDs from cultures, which indicated a correlation with the hydrogen isotope composition of the growth water and a species-specific effect. Results from environmental samples along a salinity gradient indicated the potential of δ2H ratios of LCDs to trace the hydrogen isotopic composition of water and sea surface salinity.

Original languageEnglish
Article number103904
Number of pages4
JournalOrganic Geochemistry
Volume137
DOIs
Publication statusPublished - Nov 2019

Keywords

  • Hydrogen isotopes
  • Long-chain diols
  • Preparative HPLC
  • Salinity

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