@prefix envthes: <http://vocabs.lter-europe.net/EnvThes/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .

envthes:
  skos:prefLabel "EnvThes"@en ;
  a skos:ConceptScheme .

envthes:20826
  skos:inScheme envthes: ;
  a skos:Concept ;
  skos:scopeNote "MS Academic Keywords"@en ;
  skos:exactMatch <http://purl.obolibrary.org/obo/ERO_0000585> ;
  skos:definition "[ERO] A chemical consisting of a well-defined number of atoms covalently bonded together, and containing metal atoms. Inorganic compounds do not contain chemical moities consisting of carbon and hydrogen bonded together. Examples of inorganic compounds are: Salts: sodium chloride (NaCl), magnesium sulfate (MgSO4), Oxides: carbon dioxide (CO2), silicon dioxide (SiO2) and Iron (II, III) oxide (Fe3O4), Acids: hydrogen chloride (HCl) and sulfuric acid (H2SO4), Bases: sodium hydroxide (NaOH)."@en ;
  skos:broader envthes:20748 ;
  skos:prefLabel "inorganic compound"@en ;
  dc:creator <https://orcid.org/0000-0003-2195-3997> .

envthes:20748
  skos:prefLabel "chemical substance"@en ;
  a skos:Concept ;
  skos:narrower envthes:20826 .