Conceptid (5) | Preflabel |
---|---|
CH4CGMMX | Concentration of methane {CH4 CAS 74-82-8} per unit volume of the sediment pore water [dissolved plus reactive particulate phase] by gas chromatography |
DN2OGCMM | Concentration of nitrous oxide {N2O CAS 10024-97-2} per unit volume of the sediment pore water [dissolved plus reactive particulate phase] by gas chromatography |
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 |
GEOLPW01 | Concentration of helium {He CAS 7440-59-7} per unit volume of the sediment pore water [dissolved plus reactive particulate phase] |
SEDPWCH4 | Concentration of methane {CH4 CAS 74-82-8} per unit volume of the sediment pore water [dissolved plus reactive particulate <0.2um phase] by extraction by squeezing, filtration and gas chromatography |