Work in progress

<rdf:RDF
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:j.0="http://qudt.org/schema/qudt/"
    xmlns:j.1="http://purl.org/dc/terms/"
    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > 
  <rdf:Description rdf:about="http://qudt.org/vocab/unit/PPM">
    <j.0:ucumCode rdf:datatype="http://qudt.org/schema/qudt/UCUMcs">[ppm]</j.0:ucumCode>
    <j.0:informativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://aurora.regenstrief.org/~ucum/ucum.html#section-Derived-Unit-Atoms</j.0:informativeReference>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/vocab/unit"/>
    <rdfs:label xml:lang="en">Parts per million</rdfs:label>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/DimensionlessRatio"/>
    <j.0:omUnit rdf:resource="http://www.ontology-of-units-of-measure.org/resource/om-2/partsPerMillion"/>
    <j.0:symbol>PPM</j.0:symbol>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/Unit"/>
    <j.0:uneceCommonCode>59</j.0:uneceCommonCode>
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1"/>
    <j.1:description rdf:datatype="http://qudt.org/schema/qudt/LatexString">Dimensionless unit for concentration. Recommended practice is to use specific units such as \(ug/l\).</j.1:description>
    <j.0:conversionMultiplier rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">0.000001</j.0:conversionMultiplier>
  </rdf:Description>
</rdf:RDF>

@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://qudt.org/vocab/unit/PPM>
  rdf:type <http://qudt.org/schema/qudt/Unit> ;
  <http://purl.org/dc/terms/description> "Dimensionless unit for concentration. Recommended practice is to use specific units such as \\(ug/l\\)."^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/conversionMultiplier> 0.000001 ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1> ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/DimensionlessRatio> ;
  <http://qudt.org/schema/qudt/informativeReference> "http://aurora.regenstrief.org/~ucum/ucum.html#section-Derived-Unit-Atoms"^^xsd:anyURI ;
  <http://qudt.org/schema/qudt/omUnit> <http://www.ontology-of-units-of-measure.org/resource/om-2/partsPerMillion> ;
  <http://qudt.org/schema/qudt/symbol> "PPM" ;
  <http://qudt.org/schema/qudt/ucumCode> "[ppm]"^^<http://qudt.org/schema/qudt/UCUMcs> ;
  <http://qudt.org/schema/qudt/uneceCommonCode> "59" ;
  rdfs:isDefinedBy <http://qudt.org/2.1/vocab/unit> ;
  rdfs:label "Parts per million"@en ;
.

{"resource":"Parts per million" 
 ,"qname":"unit:PPM" 
 ,"uri":"http:\/\/qudt.org\/vocab\/unit\/PPM" 
 ,"properties":["conversion multiplier":"0.000001" 
    ,"description":"Dimensionless unit for concentration. Recommended practice is to use specific units such as \\(ug\/l\\)." 
    ,"has dimension vector":"dimension:A0E0L0I0M0H0T0D1" 
    ,"has quantity kind":"quantitykind:DimensionlessRatio" 
    ,"informative reference":"http:\/\/aurora.regenstrief.org\/~ucum\/ucum.html#section-Derived-Unit-Atoms" 
    ,"isDefinedBy":"<http:\/\/qudt.org\/2.1\/vocab\/unit>" 
    ,"label":"Parts per million" 
    ,"om unit":"<http:\/\/www.ontology-of-units-of-measure.org\/resource\/om-2\/partsPerMillion>" 
    ,"symbol":"PPM" 
    ,"type":"qudt:Unit" 
    ,"ucum code":"[ppm]" 
    ,"unece common code":"59" 
    ]}

{
  "@id" : "http://qudt.org/vocab/unit/PPM",
  "@type" : "http://qudt.org/schema/qudt/Unit",
  "description" : "Dimensionless unit for concentration. Recommended practice is to use specific units such as \\(ug/l\\).",
  "conversionMultiplier" : "0.000001",
  "hasDimensionVector" : "http://qudt.org/vocab/dimensionvector/A0E0L0I0M0H0T0D1",
  "hasQuantityKind" : "http://qudt.org/vocab/quantitykind/DimensionlessRatio",
  "informativeReference" : "http://aurora.regenstrief.org/~ucum/ucum.html#section-Derived-Unit-Atoms",
  "omUnit" : "http://www.ontology-of-units-of-measure.org/resource/om-2/partsPerMillion",
  "symbol" : "PPM",
  "ucumCode" : "[ppm]",
  "uneceCommonCode" : "59",
  "isDefinedBy" : "http://qudt.org/2.1/vocab/unit",
  "label" : {
    "@language" : "en",
    "@value" : "Parts per million"
  },
  "@context" : {
    "ucumCode" : {
      "@id" : "http://qudt.org/schema/qudt/ucumCode",
      "@type" : "http://qudt.org/schema/qudt/UCUMcs"
    },
    "informativeReference" : {
      "@id" : "http://qudt.org/schema/qudt/informativeReference",
      "@type" : "http://www.w3.org/2001/XMLSchema#anyURI"
    },
    "isDefinedBy" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#isDefinedBy",
      "@type" : "@id"
    },
    "label" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#label"
    },
    "hasQuantityKind" : {
      "@id" : "http://qudt.org/schema/qudt/hasQuantityKind",
      "@type" : "@id"
    },
    "omUnit" : {
      "@id" : "http://qudt.org/schema/qudt/omUnit",
      "@type" : "@id"
    },
    "symbol" : {
      "@id" : "http://qudt.org/schema/qudt/symbol"
    },
    "uneceCommonCode" : {
      "@id" : "http://qudt.org/schema/qudt/uneceCommonCode"
    },
    "hasDimensionVector" : {
      "@id" : "http://qudt.org/schema/qudt/hasDimensionVector",
      "@type" : "@id"
    },
    "description" : {
      "@id" : "http://purl.org/dc/terms/description",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
    "conversionMultiplier" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplier",
      "@type" : "http://www.w3.org/2001/XMLSchema#decimal"
    },
    "rdf" : "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
    "owl" : "http://www.w3.org/2002/07/owl#",
    "xsd" : "http://www.w3.org/2001/XMLSchema#",
    "rdfs" : "http://www.w3.org/2000/01/rdf-schema#"
  }
}