Biogeochemical Analysis of Sediment Slurries

CH₄ in the headspace of slurries was analyzed by gas chromatography as described previously [23 (link)]. Volatile fatty acids from centrifuged (10,000× g, 10 min) samples of the sediment slurries were analyzed by HPLC as described previously [23 (link)]. Data analyses were performed using ChromQuest (Thermo Scientific, Waltham, MA, USA) and Chromeleon software (Thermo Scientific, Waltham, MA). Sulfate and sulfide were quantified as described in [24 (link)].

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Ozuolmez D., Moore E.K., Hopmans E.C., Sinninghe Damsté J.S., Stams A.J, & Plugge C.M. (2020). Butyrate Conversion by Sulfate-Reducing and Methanogenic Communities from Anoxic Sediments of Aarhus Bay, Denmark. Microorganisms, 8(4), 606.

Publication 2020

ChromQuest Chromeleon software

Gas chromatography Hplc Sulfate Sulfide Volatile fatty acids

Corresponding Organization : Wageningen University & Research

Other organizations : Royal Netherlands Institute for Sea Research, Utrecht University, Rowan University

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Variable analysis

independent variables

None explicitly mentioned

dependent variables

CH4 in the headspace of slurries
Volatile fatty acids from centrifuged (10,000× g, 10 min) samples of the sediment slurries
Sulfate and sulfide

control variables

None explicitly mentioned

controls

No positive or negative controls were explicitly mentioned in the provided information.

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