@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: . skos:related . skos:member . skos:related . skos:related . skos:related . skos:related . skos:related . skos:related . skos:related . skos:related . skos:narrower . skos:related . skos:related . skos:related . skos:altLabel "" ; skos:broader ; skos:definition "Physical separation of the solid phase from a volume of water or air before the acidified (pH 1.8-2) liquid phase was irradiated with ultra-violet light."@en ; skos:notation "SDN:S03::S03429" ; skos:note "accepted"@en ; skos:prefLabel "filtration, acidification, UV irradiation"@en ; skos:related , , , , , . skos:narrower .