# 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-Si-standard-1902 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Si-standard-1909 ;
    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:Silicon ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 28.4 ] .

ciaaw_draft:AW-Si-standard a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:issued "2009"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Si-standard-1975 ;
    dcterms:source <https://doi.org/10.1351/PAC-REP-10-09-14> ;
    ciaaw:ofElement element:Silicon ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:lowerBound 28.084 ;
            qudt:upperBound 28.086 ;
            ciaaw:significantFiguresLower 5 ;
            ciaaw:significantFiguresUpper 5 ] .

ciaaw_draft:AW-Si-standard-1909 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Si-standard-1922 ;
    dcterms:issued "1909"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Si-standard-1902 ;
    dcterms:source <https://doi.org/10.1021/ja01931a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Silicon ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 28.3 ] .

ciaaw_draft:AW-Si-standard-1922 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Si-standard-1925 ;
    dcterms:issued "1922"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Si-standard-1909 ;
    dcterms:source <https://doi.org/10.1021/ja01441a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Silicon ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 28.1 ] .

ciaaw_draft:AW-Si-standard-1925 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Si-standard-1951 ;
    dcterms:issued "1925"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Si-standard-1922 ;
    dcterms:source <https://doi.org/10.1039/CT9252700913> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Silicon ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 28.06 ] .

ciaaw_draft:AW-Si-standard-1951 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Si-standard-1961 ;
    dcterms:issued "1951"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Si-standard-1925 ;
    dcterms:source <https://doi.org/10.1039/JR9530000001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Silicon ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 28.09 ] .

ciaaw_draft:AW-Si-standard-1961 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Si-standard-1969 ;
    dcterms:issued "1961"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Si-standard-1951 ;
    dcterms:source <https://doi.org/10.1021/ja00881a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Silicon ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 28.086 ;
            qudt:standardUncertainty 0.001 ;
            ciaaw:significantFigures 5 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Si-standard-1969 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Si-standard-1975 ;
    dcterms:issued "1969"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Si-standard-1961 ;
    dcterms:source <https://doi.org/10.1351/pac197021010091> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Silicon ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 28.086 ;
            qudt:standardUncertainty 0.003 ;
            ciaaw:significantFigures 5 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Si-standard-1975 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Si-standard ;
    dcterms:issued "1975"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Si-standard-1969 ;
    dcterms:source <https://doi.org/10.1351/pac197647010075> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Silicon ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 28.0855 ;
            qudt:standardUncertainty 0.0003 ;
            ciaaw:significantFigures 6 ;
            ciaaw:significantFiguresUncertainty 1 ] .

element:Silicon a chemrof:ChemicalElement ;
    rdfs:label "silicon"@en ;
    ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Si-standard ;
    ciaaw:hasDeclaration ciaaw_draft:AW-Si-standard,
        ciaaw_draft:AW-Si-standard-1902,
        ciaaw_draft:AW-Si-standard-1909,
        ciaaw_draft:AW-Si-standard-1922,
        ciaaw_draft:AW-Si-standard-1925,
        ciaaw_draft:AW-Si-standard-1951,
        ciaaw_draft:AW-Si-standard-1961,
        ciaaw_draft:AW-Si-standard-1969,
        ciaaw_draft:AW-Si-standard-1975 ;
    ciaaw:hasIsotope ciaaw_draft:Si-28,
        ciaaw_draft:Si-29,
        ciaaw_draft:Si-30 ;
    ciaaw:standardAtomicWeightLower 28.084 ;
    ciaaw:standardAtomicWeightUpper 28.086 ;
    chemrof:atomic_number 14 ;
    chemrof:symbol "Si" .