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Henry's law headspace equilibration
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Description
Aqueous CO2 concentrations determined by headspace equilibration in glass bottles followed by IRGA analysis of extracted headspace gas with correction factors applied.
Typical Equipment
- 500 mL Hybex glass culture bottles
- black butyl rubber septa
- 20 mL syringe
- PP Systems EGM-4 Portable CO2 Analyzer
- IRGA unit
Output Measurements
- dissolved CO2 concentration
- CO2 saturation percentage
Papers Using This Protocol (3)
article
Improving predictions of stream CO2 concentrations and fluxes using a stream network model: A case study in the East River watershed, CO, USA
article
Carbon Dioxide Concentrations and Efflux from Permanent, Semi-Permanent, and Temporary Subalpine Ponds
student_paper