@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:member . skos:narrower . skos:related . skos:narrower . skos:related . skos:altLabel "SIS DOA" , "SIS DOA"@en ; skos:broader ; skos:definition "A PC-controlled instrument for determining dissolved oxygen using the Winkler (1888) titration method. The system consists of a transportable box containing a motor burette, an alternating light photometer and a stand with stirrer for the sample flask. The titration endpoint is determined by eye. The photometer is connected to a PC by an interface cable via an RS 232 serial link."@en ; skos:inScheme ; skos:notation "SDN:L22::TOOL0630" ; skos:note "accepted"@en ; skos:prefLabel "SIS Dissolved Oxygen Analyser"@en ; skos:related .