title: Improved gas chromatographic method for field measurement of nitrous oxide in air and water using a 5A molecular sieve trap.
mesh_terms: D000397:Air Pollution / Q000032:analysis; D002849:Chromatography, Gas; D008722:Methods; D009609:Nitrous Oxide / Q000032:analysis*; D014877:Water Pollution, Chemical / Q000032:analysis
chemical_list: D009609:Nitrous Oxide