publication . Article . Preprint . 2018

Inter-laboratory comparison of cryogenic water extraction systems for stable isotope analysis of soil water

N. Orlowski; N. Orlowski; N. Orlowski; L. Breuer; L. Breuer; N. Angeli; P. Boeckx; C. Brumbt; C. S. Cook; M. Dubbert; ...
Open Access English
  • Published: 01 Jan 2018 Journal: Hydrology and Earth System Sciences, volume 22, pages 3,619-3,637 (issn: 1027-5606, eissn: 1607-7938, Copyright policy)
  • Publisher: Copernicus Publications
For more than two decades, research groups in hydrology, ecology, soil science, and biogeochemistry have performed cryogenic water extractions (CWEs) for the analysis of δ2H and δ18O of soil water. Recent studies have shown that extraction conditions (time, temperature, and vacuum) along with physicochemical soil properties may affect extracted soil water isotope composition. Here we present results from the first worldwide round robin laboratory intercomparison. We test the null hypothesis that, with identical soils, standards, extraction protocols, and isotope analyses, cryogenic extractions across all laboratories are identical. Two standard soils with differ...
Fields of Science and Technology classification: 02 engineering and technology0208 environmental biotechnology020801 environmental engineering
Sustainable Development Goals: 6. Clean water15. Life on land
free text keywords: soil water, OXYGEN, DELTA-H-2, DELTA-O-18, FRACTIONATION, SAMPLES, INFRARED-SPECTROSCOPY, PLANT-WATER, CLAY-MINERALS, isotopic analysis, refrigerants, RATIO MASS-SPECTROMETRY, VACUUM EXTRACTION, eau du sol, analyse isotopique, évaluation en laboratoire, fluide frigorigène, [SDV]Life Sciences [q-bio], RATIO MASS-SPECTROMETRY; VACUUM EXTRACTION; CLAY-MINERALS; PLANT-WATER; INFRARED-SPECTROSCOPY; SAMPLES; FRACTIONATION; DELTA-O-18; DELTA-H-2; OXYGEN, Earth and Environmental Sciences, RATIO MASS-SPECTROMETRY, VACUUM EXTRACTION, PLANT-WATER, INFRARED-SPECTROSCOPY, SAMPLES, FRACTIONATION, DELTA-O-18, DELTA-H-2, OXYGEN, O-18, lcsh:Technology, lcsh:T, lcsh:Environmental technology. Sanitary engineering, lcsh:TD1-1066, lcsh:Geography. Anthropology. Recreation, lcsh:G, lcsh:Environmental sciences, lcsh:GE1-350, Water content, Isotope analysis, Soil type, Soil test, Water extraction, Loam, Soil water, Extraction (chemistry), Environmental chemistry, Environmental science
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  • Funder: Natural Sciences and Engineering Research Council of Canada (NSERC)
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