# Prototype: a suggestion, not an official CIAAW or IUPAC record. Official values are at https://ciaaw.org

@prefix adms: <http://www.w3.org/ns/adms#> .
@prefix chemrof: <https://w3id.org/chemrof/> .
@prefix ciaaw: <https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/ciaaw-draft#> .
@prefix ciaaw_draft: <https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/id/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix element: <https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix unit: <http://qudt.org/vocab/unit/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

ciaaw_draft:AW-Ta-standard-1902 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ta-standard-1907 ;
    dcterms:issued "1902"^^xsd:gYear ;
    dcterms:source <https://doi.org/10.1007/BF01370337> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Tantalum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 183.0 ] .

ciaaw_draft:AW-Ta-standard a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:issued "2005"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ta-standard-1979 ;
    dcterms:source <https://doi.org/10.1351/pac200678112051> ;
    ciaaw:ofElement element:Tantalum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 180.94788 ;
            qudt:standardUncertainty 0.00002 ;
            ciaaw:significantFigures 8 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Ta-standard-1907 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ta-standard-1909 ;
    dcterms:issued "1907"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ta-standard-1902 ;
    dcterms:source <https://doi.org/10.1021/ja01956a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Tantalum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 181.0 ] .

ciaaw_draft:AW-Ta-standard-1909 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ta-standard-1912 ;
    dcterms:issued "1909"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ta-standard-1907 ;
    dcterms:source <https://doi.org/10.1021/ja01931a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Tantalum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 181.0 ] .

ciaaw_draft:AW-Ta-standard-1912 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ta-standard-1931 ;
    dcterms:issued "1912"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ta-standard-1909 ;
    dcterms:source <https://doi.org/10.1021/ja02224a601> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Tantalum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 181.5 ] .

ciaaw_draft:AW-Ta-standard-1931 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ta-standard-1936 ;
    dcterms:issued "1931"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ta-standard-1912 ;
    dcterms:source <https://doi.org/10.1039/JR9310001617> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Tantalum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 181.4 ] .

ciaaw_draft:AW-Ta-standard-1936 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ta-standard-1953 ;
    dcterms:issued "1936"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ta-standard-1931 ;
    dcterms:source <https://doi.org/10.1039/JR9370001893> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Tantalum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 180.88 ] .

ciaaw_draft:AW-Ta-standard-1953 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ta-standard-1961 ;
    dcterms:issued "1953"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ta-standard-1936 ;
    dcterms:source <https://doi.org/10.1039/JR9540004713> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Tantalum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 180.95 ] .

ciaaw_draft:AW-Ta-standard-1961 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ta-standard-1969 ;
    dcterms:issued "1961"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ta-standard-1953 ;
    dcterms:source <https://doi.org/10.1021/ja00881a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Tantalum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 180.948 ] .

ciaaw_draft:AW-Ta-standard-1969 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ta-standard-1979 ;
    dcterms:issued "1969"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ta-standard-1961 ;
    dcterms:source <https://doi.org/10.1351/pac197021010091> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Tantalum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 180.9479 ;
            qudt:standardUncertainty 0.0003 ;
            ciaaw:significantFigures 7 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Ta-standard-1979 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ta-standard ;
    dcterms:issued "1979"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ta-standard-1969 ;
    dcterms:source <https://doi.org/10.1351/pac198052102349> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Tantalum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 180.9479 ;
            qudt:standardUncertainty 0.0001 ;
            ciaaw:significantFigures 7 ;
            ciaaw:significantFiguresUncertainty 1 ] .

element:Tantalum a chemrof:ChemicalElement ;
    rdfs:label "tantalum"@en ;
    ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Ta-standard ;
    ciaaw:hasDeclaration ciaaw_draft:AW-Ta-standard,
        ciaaw_draft:AW-Ta-standard-1902,
        ciaaw_draft:AW-Ta-standard-1907,
        ciaaw_draft:AW-Ta-standard-1909,
        ciaaw_draft:AW-Ta-standard-1912,
        ciaaw_draft:AW-Ta-standard-1931,
        ciaaw_draft:AW-Ta-standard-1936,
        ciaaw_draft:AW-Ta-standard-1953,
        ciaaw_draft:AW-Ta-standard-1961,
        ciaaw_draft:AW-Ta-standard-1969,
        ciaaw_draft:AW-Ta-standard-1979 ;
    ciaaw:hasIsotope ciaaw_draft:Ta-180,
        ciaaw_draft:Ta-181 ;
    ciaaw:standardAtomicWeightUncertainty 0.00002 ;
    ciaaw:standardAtomicWeightValue 180.94788 ;
    chemrof:atomic_number 73 ;
    chemrof:symbol "Ta" .