Articles | Volume 13, issue 16
https://doi.org/10.5194/bg-13-4697-2016
https://doi.org/10.5194/bg-13-4697-2016
Research article
 | 
22 Aug 2016
Research article |  | 22 Aug 2016

Fast-freezing with liquid nitrogen preserves bulk dissolved organic matter concentrations, but not its composition

Lisa Thieme, Daniel Graeber, Martin Kaupenjohann, and Jan Siemens

Viewed

Total article views: 5,094 (including HTML, PDF, and XML)
HTML PDF XML Total Supplement BibTeX EndNote
1,835 2,564 695 5,094 442 100 131
  • HTML: 1,835
  • PDF: 2,564
  • XML: 695
  • Total: 5,094
  • Supplement: 442
  • BibTeX: 100
  • EndNote: 131
Views and downloads (calculated since 22 Mar 2016)
Cumulative views and downloads (calculated since 22 Mar 2016)

Cited

Saved (preprint)

Latest update: 15 Aug 2025
Download
Short summary
Freezing can affect dissolved organic matter properties and concentrations. Nevertheless, water samples are regularly frozen for sample preservation. To test, if fast-freezing with liquid nitrogen instead of normal freezing at −18 °C can prevent changes in DOM characteristics, we compared fresh and differently frozen terrestrial water samples. We found that fast-freezing with liquid nitrogen can prevent bulk organic matter concentrations but not its spectroscopic properties.
Share
Altmetrics
Final-revised paper
Preprint