@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix dcterms: . @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 sdo: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . @prefix xsd: . rdf:type sdo:DefinedTerm ; sdo:description "ortho-phthalaldehyde reaction/ reverse phase HPLC (GF/F filtered)"@en ; sdo:inDefinedTermSet ; sdo:name "Concentration of gamma-aminobutyric acid {CAS 56-12-2} per unit volume of the water body [particulate >0.2um phase] by filtration, ortho-phthalaldehyde reaction and high performance liquid chromatography (HPLC)"@en ; sdo:termCode "SDN:P01::FA15HPP5" .