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  <gcmd:gcmd>
    <gcmd:termsOfUse>https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf</gcmd:termsOfUse>
    <gcmd:keywordVersion>24.3</gcmd:keywordVersion>
    <gcmd:schemeVersion>2026-07-08T10:51:38.222Z</gcmd:schemeVersion>
    <gcmd:viewer>https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/instruments/3ce7f4f0-d2db-4352-8762-d88296f7aa15</gcmd:viewer>
  </gcmd:gcmd>
  <skos:Concept rdf:about="3ce7f4f0-d2db-4352-8762-d88296f7aa15">
    <skos:broader rdf:resource="3d25724b-832f-4a61-b0b2-4f2ccecdba94"/>
    <skos:prefLabel xml:lang="en">GC-MS</skos:prefLabel>
    <skos:definition xml:lang="en">In the simplest terms, the GC/MS instrument represents a devicethat separates chemical mixtures (the GC component) and a verysensitive detector (the MS component) with a data collector (thecomputer component).Additional information available at&apos;http://caag.state.ca.us/bfs/toxlab/gcms.htm&apos;[Summary provided by the California Bureau of Forensic Services]</skos:definition>
    <skos:inScheme rdf:resource="https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/instruments"/>
    <gcmd:altLabel gcmd:text="Gas Chromatograph/Mass Spectrometry" xml:lang="en" gcmd:category="primary"/>
    <gcmd:isOnPlatform rdf:resource="a790e30f-5a13-4188-befb-2647a884034b"/>
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