@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . rdf:type skos:Concept ; dce:identifier "SDN:L05::LAB46" ; dc:date "2022-04-27 16:58:27.0" ; dc:identifier "SDN:L05::LAB46" ; pav:authoredOn "2022-04-27 16:58:27.0" ; pav:hasCurrentVersion ; pav:hasVersion ; pav:version "2" ; void:inDataset ; owl:deprecated "false" ; owl:versionInfo "2" ; skos:altLabel "" ; skos:broader , , ; skos:definition "Instruments that ionise trace gas molecules by proton transfer from protonated water, H3O. Ions of specific mass-to-charge ratios are then quantified in a quadrupole or time-of-flight mass spectrometer."@en ; skos:inScheme ; skos:narrower ; skos:notation "SDN:L05::LAB46" ; skos:note "accepted"@en ; skos:prefLabel "proton transfer reaction mass spectrometers"@en .