oxygen

Property	Value
Symbol	O
Atomic number	8
IRI	`https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/Oxygen`
Wikidata	Q629

Standard atomic weight

Value	Year	Source	Status	Declaration
[15.999 03, 15.999 77]	2009	10.1351/PAC-REP-10-09-14	Current	`AW-O-standard`
15.9994(3)	1969	10.1351/pac197021010091	Deprecated, see `AW-O-standard`	`AW-O-standard-1969`
15.9994(1)	1961	10.1021/ja00881a001	Deprecated, see `AW-O-standard-1969`	`AW-O-standard-1961`
16	1902	10.1007/BF01370337	Deprecated, see `AW-O-standard-1961`	`AW-O-standard-1902`

Notes: m

Isotopes

A	Representative isotopic composition	Year	Source	Declaration	ChEBI	Wikidata
16	[0.997 38, 0.997 76]	—	—	`Abundance-O16`	—	Q2309203
17	[0.000 367, 0.000 400]	—	—	`Abundance-O17`	—	Q3359113
18	[0.001 87, 0.002 22]	—	—	`Abundance-O18`	—	Q662269

Notes

m Modified isotopic compositions may be found in commercially available material because the material has been subjected to some undisclosed or inadvertent isotopic fractionation. Substantial deviations in atomic weight of the element from that given in the table can occur.

Bibliography

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

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: Oxygen.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 skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix unit: <http://qudt.org/vocab/unit/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

ciaaw:note-m a ciaaw:Footnote ;
    skos:definition "Modified isotopic compositions may be found in commercially available material because the material has been subjected to some undisclosed or inadvertent isotopic fractionation. Substantial deviations in atomic weight of the element from that given in the table can occur."@en ;
    skos:notation "m" .

ciaaw_draft:AW-O-standard-1902 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-O-standard-1961 ;
    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:Oxygen ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 16.0 ] .

ciaaw_draft:AW-O-standard a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:issued "2009"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-O-standard-1969 ;
    dcterms:source <https://doi.org/10.1351/PAC-REP-10-09-14> ;
    ciaaw:footnote ciaaw:note-m ;
    ciaaw:ofElement element:Oxygen ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:lowerBound 15.99903 ;
            qudt:upperBound 15.99977 ;
            ciaaw:significantFiguresLower 7 ;
            ciaaw:significantFiguresUpper 7 ] .

ciaaw_draft:AW-O-standard-1961 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-O-standard-1969 ;
    dcterms:issued "1961"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-O-standard-1902 ;
    dcterms:source <https://doi.org/10.1021/ja00881a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Oxygen ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 15.9994 ;
            qudt:standardUncertainty 0.0001 ;
            ciaaw:significantFigures 6 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-O-standard-1969 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-O-standard ;
    dcterms:issued "1969"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-O-standard-1961 ;
    dcterms:source <https://doi.org/10.1351/pac197021010091> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Oxygen ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 15.9994 ;
            qudt:standardUncertainty 0.0003 ;
            ciaaw:significantFigures 6 ;
            ciaaw:significantFiguresUncertainty 1 ] .

element:Oxygen a chemrof:ChemicalElement ;
    rdfs:label "oxygen"@en ;
    ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-O-standard ;
    ciaaw:hasDeclaration ciaaw_draft:AW-O-standard,
        ciaaw_draft:AW-O-standard-1902,
        ciaaw_draft:AW-O-standard-1961,
        ciaaw_draft:AW-O-standard-1969 ;
    ciaaw:hasIsotope ciaaw_draft:O-16,
        ciaaw_draft:O-17,
        ciaaw_draft:O-18 ;
    ciaaw:standardAtomicWeightLower 15.99903 ;
    ciaaw:standardAtomicWeightUpper 15.99977 ;
    chemrof:atomic_number 8 ;
    chemrof:symbol "O" .

All atomic weights · All isotopic abundances