@prefix envthes: . @prefix skos: . @prefix owl: . @prefix dc: . @prefix xsd: . envthes: skos:prefLabel "EnvThes"@en ; a owl:Ontology, skos:ConceptScheme . envthes:20824 skos:broader envthes:20748 ; skos:exactMatch , , ; dc:modified "2018-12-18"^^xsd:date ; skos:scopeNote "US LTER controlled vocabulary"@en ; skos:inScheme envthes: ; dc:creator "herbert.schentz@umweltbundesamt.at"@en ; skos:definition "Also known as: fluoride, fluoride ion, Fluoride(1-), Perfluoride, Fluoride dust, Fluorine ion, Fluoride as dust, Fluoride ion(F-), Fluoride ion(1-)Molecular Formula: F- Molecular Weight: 18.998403; Inorganic salts of hydrofluoric acid, HF, in which the fluorine atom is in the -1 oxidation state. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Sodium and stannous salts are commonly used in dentifrices."@en ; a skos:Concept ; skos:prefLabel "fluoride"@en ; dc:created "2016-03-31"^^xsd:date . envthes:20748 skos:prefLabel "chemical substance"@en ; a skos:Concept ; skos:narrower envthes:20824 .