@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

nalt:6424
  skos:exactMatch <http://id.loc.gov/authorities/subjects/sh85129178>, <http://aims.fao.org/aos/agrovoc/c_7462>, <http://id.agrisemantics.org/gacs/C11450>, <http://id.cabi.org/cabt/112558> ;
  skos:broader nalt:12372, nalt:6418 ;
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  ns0:marc001 "36170" ;
  skos:prefLabel "strontium"@en, "estroncio"@es ;
  dc:created "2006-01-19"^^xsd:date ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  dc:modified "2012-11-30"^^xsd:date .

nalt:6418
  skos:prefLabel "metales alcalinotérreos"@es, "alkaline earth metals"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:6424 .

ns0:Chemical
  rdfs:label "Chemical"@en ;
  a owl:Class .

nalt:12372
  skos:prefLabel "oligoelementos"@es, "trace elements"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:6424 .

<https://lod.nal.usda.gov/nalt>
  rdfs:label "NALT Full"@en ;
  a skos:ConceptScheme .