@prefix dc: . @prefix rdfs: . @prefix cast: . @prefix skos: . @prefix xsd: . dc:contributor rdfs:label "Contributor" . cast:1 skos:prefLabel "determinands"@en ; a skos:Concept ; skos:narrower cast:80 . cast:81 skos:prefLabel "dissolved sulfur"@en ; a skos:Concept ; skos:broader cast:80 . dc:modified rdfs:label "Modified" . dc:created rdfs:label "Created" . cast:80 skos:definition "Total acid recoverable sulfur, includes dissolved fraction plus that which was present in particulates but dissolved by acidification of the unfiltered sample to 1% with concentrated high purity nitric acid, without heating. This acidification takes place upon sampling and prior to cold storage and subsequent analysis."@en ; dc:contributor "dgwr" ; skos:prefLabel "acid recoverable sulfur"@en ; skos:altLabel "total acid recoverable sulfur"@en, "dissolved plus acid recoverable sulfur"@en, "total S"@en, "total acid available sulfur"@en, "dissolved plus acid recoverable sulphur"@en ; skos:narrower cast:81 ; skos:broader cast:1 ; dc:created "2010-12-15T13:58:55Z"^^xsd:dateTime ; a skos:Concept ; dc:creator "dgwr" ; dc:modified "2019-05-09T16:00:18.197+00:00"^^xsd:dateTime . dc:creator rdfs:label "Creator" .