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

<https://lod.nal.usda.gov/naltv#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
<https://lod.nal.usda.gov/nalt>
  a skos:ConceptScheme ;
  rdfs:label "NALT Full"@en .

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

nalt:7959
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2018-10-05"^^xsd:date ;
  skos:altLabel "ammonium sulphate"@en, "sulfato amoníco"@es ;
  skos:broader nalt:7948, nalt:7281 ;
  skos:exactMatch agrovoc:c_354, <http://id.loc.gov/authorities/subjects/sh96011270>, <http://id.agrisemantics.org/gacs/C8096>, <http://id.cabi.org/cabt/9475> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:prefLabel "sulfato de amonio"@es, "ammonium sulfate"@en ;
  ns0:marc001 "2161" .

nalt:7281
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:7959 ;
  skos:prefLabel "sulfatos"@es, "sulfates"@en .

nalt:7948
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:7959 ;
  skos:prefLabel "compuestos de amonio"@es, "ammonium compounds"@en .