<?xml version="1.0" encoding="utf-8"?><rdf:RDF  xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"  xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"  xmlns:skos="http://www.w3.org/2004/02/skos/core#"  xmlns:map="http://www.w3c.rl.ac.uk/2003/11/21-skos-mapping#"  xmlns:dct="http://purl.org/dc/terms/"  xmlns:dc="http://purl.org/dc/elements/1.1/"><skos:ConceptScheme rdf:about="https://digilab.ptb.de/oiml-g-18/vocab/">  <dc:title>OIML G18 Controlled Vocabulary</dc:title>  <dc:creator>Julia Neumann</dc:creator>  <dc:contributor></dc:contributor>  <dc:publisher></dc:publisher>  <dc:rights></dc:rights>  <dc:subject></dc:subject>  <dc:description><![CDATA[  ]]></dc:description>  <dc:date>2022-12-16</dc:date>  <dct:modified>2023-01-02 10:32:57</dct:modified>  <dc:language>en-EN</dc:language>  </skos:ConceptScheme>  <skos:Concept rdf:about="https://digilab.ptb.de/oiml-g-18/vocab/skos/255"><skos:prefLabel xml:lang="en-EN">characteristic partial internal absorbance Ac
(Ac = lg(Φr / Φs ) = εbc)  #01857</skos:prefLabel> <skos:scopeNote xml:lang="en-EN">1. The characteristic partial internal absorbance has the dimension one and is expressed with the derived coherent SI unit one (1). 
2. The absorbance of the optical cell containing this solution is corrected for. Conditions for validity: see 2.9. 
3. Adapted from ISO 6286, Table 2, Nos. 19 and 20. </skos:scopeNote> <skos:definition xml:lang="en-EN">fraction of the absorbance of the solution on which the measurement is made due to a specified component </skos:definition><skos:inScheme rdf:resource="https://digilab.ptb.de/oiml-g-18/vocab/"/><skos:broader rdf:resource="https://digilab.ptb.de/oiml-g-18/vocab/skos/2"/>  <dct:created>2022-12-19 09:13:29</dct:created><dct:modified>2022-12-19 10:52:24</dct:modified>  </skos:Concept></rdf:RDF>