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Concept

equilibration with air, drying

URI http://vocab.nerc.ac.uk/collection/S03/current/S0388/2/
Within Vocab BODC parameter semantic model sample preparation entity descriptions
Alternative Labels
Definition The dissolved gas content of the sample (water or sediment incorporating pore water) was brought into equilibrium with a restricted volume of air which was subsequently dried and analysed, giving the composition of the sample dissolved gas phase.
Date 2007-09-24T13:41:27
Identifier SDN:S03::S0388
Note accepted
Is Version Of S0388
Previous Version 1
version 2
Broader S01:S019 sample preparation method entity
Related
P01 BODC Parameter Usage Vocabulary - (3) [+]
P01:DN2OGCPW Concentration of nitrous oxide {N2O CAS 10024-97-2} per unit volume of the sediment pore water [dissolved plus reactive particulate phase] by equilibration with air, drying and gas chromatography-electron capture detection
P01:XCO2DCEQ Mole fraction in dry air of carbon dioxide {CO2 CAS 124-38-9} {xCO2} for the water body by equilibration with air, drying and constant temperature non-dispersive infra-red gas analysis and computation from pCO2 following correction to dry air and calibration against standards
P01:PCO2EG01 Partial pressure of carbon dioxide {CO2 CAS 124-38-9} {pCO2} in the water body by equilibration with air, drying and infra-red gas analysis

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