PROTOTYPE: a suggestion, not an official CIAAW or IUPAC page. Official values are at ciaaw.org.
IUPAC Project 2019-020-2-024Linked-data suggestion · unofficial prototype

silicon

Property Value
Symbol Si
Atomic number 14
IRI https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/Silicon
Wikidata Q670

Standard atomic weight

Value Year Source Status Declaration
[28.084, 28.086] 2009 10.1351/PAC-REP-10-09-14 Current AW-Si-standard
28.0855(3) 1975 10.1351/pac197647010075 Deprecated, see AW-Si-standard AW-Si-standard-1975
28.086(3) 1969 10.1351/pac197021010091 Deprecated, see AW-Si-standard-1975 AW-Si-standard-1969
28.086(1) 1961 10.1021/ja00881a001 Deprecated, see AW-Si-standard-1969 AW-Si-standard-1961
28.09 1951 10.1039/JR9530000001 Deprecated, see AW-Si-standard-1961 AW-Si-standard-1951
28.06 1925 10.1039/CT9252700913 Deprecated, see AW-Si-standard-1951 AW-Si-standard-1925
28.1 1922 10.1021/ja01441a001 Deprecated, see AW-Si-standard-1925 AW-Si-standard-1922
28.3 1909 10.1021/ja01931a001 Deprecated, see AW-Si-standard-1922 AW-Si-standard-1909
28.4 1902 10.1007/BF01370337 Deprecated, see AW-Si-standard-1909 AW-Si-standard-1902

Isotopes

A Representative isotopic composition Year Source Declaration ChEBI Wikidata
28 [0.921 91, 0.923 18] — — Abundance-Si28 — Q2236831
29 [0.046 45, 0.046 99] — — Abundance-Si29 — Q3410389
30 [0.030 37, 0.031 10] — — Abundance-Si30 — Q14338840

Bibliography

(1976). Pure and Applied Chemistry, 47(1), 75–96. https://doi.org/10.1351/pac197647010075 CrossRef Scholia
Aston, F. W., Baxter, G. P., Brauner, B., Debierne, A., Leduc, A., Richards, T. W., Soddy, F., & Urbain, G. (1925). Second Report of the International Committee of the International Union of Pure and Applied Chemistry on the chemical elements. International atomic weights, 1925. Journal of the Chemical Society, Transactions, 127, 913. https://doi.org/10.1039/ct9252700913 CrossRef Scholia
Atomic weights of the elements 1969. (1970). Pure and Applied Chemistry, 21(1), 91–108. https://doi.org/10.1351/pac197021010091 CrossRef Scholia
Cameron, A. E., & Wichers, Edward. (1962). Report of the International Commission on Atomic Weights*(1961). Journal of the American Chemical Society, 84(22), 4175–4197. https://doi.org/10.1021/ja00881a001 CrossRef Scholia
Clarke, F. W., Ostwald, W., Thorpe, T. E., & Urbain, G. (1909). REPORT OF THE INTERNATIONAL COMMITTEE ON ATOMIC WEIGHTS. 1909. Journal of the American Chemical Society, 31(1), 1–6. https://doi.org/10.1021/ja01931a001 CrossRef Scholia
International atomic weights, 1951. (1953). Journal of the Chemical Society (Resumed), 1. https://doi.org/10.1039/jr9530000001 CrossRef Scholia
REPORT OF THE INTERNATIONAL COMMITTEE ON ATOMIC WEIGHTS FOR 1921-22. (1921). Journal of the American Chemical Society, 43(8), [1751]-1753. https://doi.org/10.1021/ja01441a001 CrossRef Scholia
Richards, Baxter, Hinrichsen, Köthner, P., & Pellini, S. (1902). Zur Festsetzung der Atomgewichte. Fresenius’ Zeitschrift für analytische Chemie, 41(2), 139–140. https://doi.org/10.1007/bf01370337 CrossRef Scholia
Wieser, M. E., & Coplen, T. B. (2010). Atomic weights of the elements 2009 (IUPAC Technical Report). Pure and Applied Chemistry, 83(2), 359–396. https://doi.org/10.1351/pac-rep-10-09-14 CrossRef Scholia

Turtle

This resource as a file: Silicon.ttl

# 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 ;
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    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 ;
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            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" .

All atomic weights · All isotopic abundances