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

nalt:297133
  skos:prefLabel "fenolftaleínas"@es, "phenolphthaleins"@en ;
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  skos:narrower nalt:297135 .

nalt:2772
  skos:prefLabel "pH"@es, "pH"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:related nalt:297135 .

nalt:12576
  skos:prefLabel "colores artificiales"@es, "artificial colors"@en ;
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  skos:related nalt:297135 .

<https://lod.nal.usda.gov/naltv#Chemical>
  rdfs:label "Chemical"@en ;
  a owl:Class .

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

nalt:297135
  skos:altLabel "sulphental"@en, "sulfonphthal"@en, "phenol red"@en ;
  dc:modified "2017-11-10"^^xsd:date ;
  skos:prefLabel "phenolsulfonphthalein"@en, "fenolsulfonftaleína"@es ;
  skos:related nalt:223, nalt:12576, nalt:2772 ;
  skos:hiddenLabel "phenol-red"@en ;
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:broader nalt:297133 ;
  ns0:marc001 "83126" ;
  dc:created "2017-03-30"^^xsd:date .

nalt:223
  skos:prefLabel "tinciones"@es, "dyes"@en ;
  a ns0:Product, ns0:Chemical, skos:Concept ;
  skos:related nalt:297135 .