Articles | Volume 19, issue 11
https://doi.org/10.5194/hess-19-4427-2015
https://doi.org/10.5194/hess-19-4427-2015
Research article
 | 
04 Nov 2015
Research article |  | 04 Nov 2015

Determining the stable isotope composition of pore water from saturated and unsaturated zone core: improvements to the direct vapour equilibration laser spectrometry method

M. J. Hendry, E. Schmeling, L. I. Wassenaar, S. L. Barbour, and D. Pratt

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Short summary
Improvements and limitations to the measurement δ2H and δ18O of pore waters in geologic core samples using laser spectrometry are presented. These included the use of a δ2H spike to assess the extent of drill fluid contamination and the effect of storage time and type of sample bag on pore water values.