@prefix bl8: <http://data.loterre.fr/ark:/67375/BL8> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

bl8:-SFCKN8DN-3
  skos:prefLabel "aluminium"@fr, "aluminum"@en ;
  a skos:Concept ;
  skos:broader bl8:-RDGX8C28-T .

bl8:-WZ7785FH-T
  skos:prefLabel "calcium"@fr, "calcium"@en ;
  a skos:Concept ;
  skos:broader bl8:-RDGX8C28-T .

bl8:-D65T1077-9
  skos:prefLabel "magnesium"@en, "magnésium"@fr ;
  a skos:Concept ;
  skos:broader bl8:-RDGX8C28-T .

bl8:-RDGX8C28-T
  skos:narrower bl8:-SFCKN8DN-3, bl8:-D65T1077-9, bl8:-K9ZXKF5P-0, bl8:-Q8CXV7TN-0, bl8:-WZ7785FH-T ;
  skos:hiddenLabel "Cation"@en, "Cation"@fr ;
  skos:inScheme bl8: ;
  skos:prefLabel "cation"@en, "cation"@fr ;
  skos:broader bl8:-TTZ61K62-P ;
  a skos:Concept .

bl8:-Q8CXV7TN-0
  skos:prefLabel "potassium"@fr, "potassium"@en ;
  a skos:Concept ;
  skos:broader bl8:-RDGX8C28-T .

bl8: a skos:ConceptScheme .
bl8:-K9ZXKF5P-0
  skos:prefLabel "sodium"@fr, "sodium"@en ;
  a skos:Concept ;
  skos:broader bl8:-RDGX8C28-T .

bl8:-TTZ61K62-P
  skos:prefLabel "ion"@en, "ion"@fr ;
  a skos:Concept ;
  skos:narrower bl8:-RDGX8C28-T .