@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 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:7972
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2015-05-06"^^xsd:date ;
  skos:altLabel "lignosulphonates"@en, "lignin sulphonate"@en, "lignin sulfonate"@en, "lignosulphonic acid"@en ;
  skos:broader nalt:20597 ;
  skos:exactMatch <http://id.loc.gov/authorities/subjects/sh2006002086> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:7971 ;
  skos:prefLabel "lignosulfonates"@en, "lignosulfonatos"@es ;
  skos:related nalt:50048, nalt:24651, nalt:47753 ;
  ns0:marc001 "21390" .

nalt:7971
  a ns0:Chemical, skos:Concept ;
  skos:broader nalt:7972 ;
  skos:prefLabel "ammonium lignosulfonate"@en, "lignosulfonato de amonio"@es .

nalt:20597
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:7972 ;
  skos:prefLabel "sulfonates"@en, "sulfonatos"@es .

nalt:50048
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "lignina"@es, "lignin"@en ;
  skos:related nalt:7972 .

nalt:47753
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "acondicionadores del suelo"@es, "soil conditioners"@en ;
  skos:related nalt:7972 .

nalt:24651
  a ns0:Product, skos:Concept ;
  skos:prefLabel "pulpa de madera"@es, "wood pulp"@en ;
  skos:related nalt:7972 .