@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 semapv: . @prefix skos: . @prefix sssom: . @prefix void: . rdf:type skos:Concept ; dce:identifier "SDN:L22::TOOL0562" ; dc:date "2012-10-15 14:57:16.0" ; dc:identifier "SDN:L22::TOOL0562" ; dc:isVersionOf ; pav:authoredOn "2012-10-15 14:57:16.0" ; pav:version "1" ; void:inDataset ; owl:deprecated "false" ; owl:versionInfo "1" ; skos:altLabel "IFM clean pumped sea water supply" ; skos:broader , ; skos:definition "A system designed for continuous, underway, clean sampling of near-surface waters. A hollow stainless steel shaft holding a high density polyethylene (HDPE) tube is submerged beneath a vessel through a hole in the hull. The inlet head is located 1.7 m below the keel and features a sieve-like Teflon cap. Water is pumped from the inlet through a serial ball-valve panel from which it can be directed to different sampling facilities. Flow is maintained by chemically inert double membrane pump driven by compressed air. HDPE tubing is used throughout the system and the valves are composed of polypropylene and Teflon, thereby ensuring that the sampled water remains clean and suitable for trace metal analyses. The system was developed by what was then the Institut fur Meereskunde at Kiel University."@en ; skos:notation "SDN:L22::TOOL0562" ; skos:note "accepted"@en ; skos:prefLabel "IFM Kiel clean pumped sea water supply"@en ; skos:related . pav:hasCurrentVersion .