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

cerium

Property Value
Symbol Ce
Atomic number 58
IRI https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/Cerium
Wikidata Q1385

Standard atomic weight

Value Year Source Status Declaration
140.116(1) 1995 10.1351/pac199668122339 Current AW-Ce-standard
140.115(4) 1985 10.1351/pac198658121677 Deprecated, see AW-Ce-standard AW-Ce-standard-1985
140.12(1) 1969 10.1351/pac197021010091 Deprecated, see AW-Ce-standard-1985 AW-Ce-standard-1969
140.12 1961 10.1021/ja00881a001 Deprecated, see AW-Ce-standard-1969 AW-Ce-standard-1961
140.13 1931 10.1039/JR9310001617 Deprecated, see AW-Ce-standard-1961 AW-Ce-standard-1931
140.25 1904 10.1021/ja01991a001 Deprecated, see AW-Ce-standard-1931 AW-Ce-standard-1904
140 1902 10.1007/BF01370337 Deprecated, see AW-Ce-standard-1904 AW-Ce-standard-1902

Notes: g

Isotopes

A Representative isotopic composition Year Source Declaration ChEBI Wikidata
136 0.001 85(2) — — Abundance-Ce136 — Q1927406
138 0.002 51(2) — — Abundance-Ce138 — Q2639061
140 0.884 50(51) — — Abundance-Ce140 — Q2646578
142 0.111 14(51) — — Abundance-Ce142 — Q4591114

Notes: g

Notes

g Geological and biological materials are known in which the element has an isotopic composition outside the limits for normal material. The difference between the atomic weight of the element in such materials and that given in the table may exceed the stated uncertainty.

Bibliography

Atomic weights of the elements 1969. (1970). Pure and Applied Chemistry, 21(1), 91–108. https://doi.org/10.1351/pac197021010091 CrossRef Scholia
Atomic weights of the elements 1985. (1986). Pure and Applied Chemistry, 58(12), 1677–1692. https://doi.org/10.1351/pac198658121677 CrossRef Scholia
Baxter, G. P., Curie, Mme. M., Hönigschmid, O., Lebeau, P., & Meyer, R. J. (1931). First Report of the Committee on the Atomic Weights of the International Union of Chemistry. J. Chem. Soc., 0(0), 1617–1627. https://doi.org/10.1039/jr9310001617 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
Coplen, T. B. (1996). Atomic weights of the elements 1995 (Technical Report). Pure and Applied Chemistry, 68(12), 2339–2359. https://doi.org/10.1351/pac199668122339 CrossRef Scholia
REPORT OF THE INTERNATIONAL COMMITTEE ON ATOMIC WEIGHTS. (1904). Journal of the American Chemical Society, 26(1), 1–4. https://doi.org/10.1021/ja01991a001 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

Turtle

This resource as a file: Cerium.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-g a ciaaw:Footnote ;
    skos:definition "Geological and biological materials are known in which the element has an isotopic composition outside the limits for normal material. The difference between the atomic weight of the element in such materials and that given in the table may exceed the stated uncertainty."@en ;
    skos:notation "g" .

ciaaw_draft:AW-Ce-standard-1902 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ce-standard-1904 ;
    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:Cerium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 140.0 ] .

ciaaw_draft:AW-Ce-standard a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:issued "1995"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ce-standard-1985 ;
    dcterms:source <https://doi.org/10.1351/pac199668122339> ;
    ciaaw:footnote ciaaw:note-g ;
    ciaaw:ofElement element:Cerium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 140.116 ;
            qudt:standardUncertainty 0.001 ;
            ciaaw:significantFigures 6 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Ce-standard-1904 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ce-standard-1931 ;
    dcterms:issued "1904"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ce-standard-1902 ;
    dcterms:source <https://doi.org/10.1021/ja01991a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Cerium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 140.25 ] .

ciaaw_draft:AW-Ce-standard-1931 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ce-standard-1961 ;
    dcterms:issued "1931"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ce-standard-1904 ;
    dcterms:source <https://doi.org/10.1039/JR9310001617> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Cerium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 140.13 ] .

ciaaw_draft:AW-Ce-standard-1961 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ce-standard-1969 ;
    dcterms:issued "1961"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ce-standard-1931 ;
    dcterms:source <https://doi.org/10.1021/ja00881a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Cerium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 140.12 ] .

ciaaw_draft:AW-Ce-standard-1969 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ce-standard-1985 ;
    dcterms:issued "1969"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ce-standard-1961 ;
    dcterms:source <https://doi.org/10.1351/pac197021010091> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Cerium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 140.12 ;
            qudt:standardUncertainty 0.01 ;
            ciaaw:significantFigures 5 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Ce-standard-1985 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ce-standard ;
    dcterms:issued "1985"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ce-standard-1969 ;
    dcterms:source <https://doi.org/10.1351/pac198658121677> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Cerium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 140.115 ;
            qudt:standardUncertainty 0.004 ;
            ciaaw:significantFigures 6 ;
            ciaaw:significantFiguresUncertainty 1 ] .

element:Cerium a chemrof:ChemicalElement ;
    rdfs:label "cerium"@en ;
    ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Ce-standard ;
    ciaaw:hasDeclaration ciaaw_draft:AW-Ce-standard,
        ciaaw_draft:AW-Ce-standard-1902,
        ciaaw_draft:AW-Ce-standard-1904,
        ciaaw_draft:AW-Ce-standard-1931,
        ciaaw_draft:AW-Ce-standard-1961,
        ciaaw_draft:AW-Ce-standard-1969,
        ciaaw_draft:AW-Ce-standard-1985 ;
    ciaaw:hasIsotope ciaaw_draft:Ce-136,
        ciaaw_draft:Ce-138,
        ciaaw_draft:Ce-140,
        ciaaw_draft:Ce-142 ;
    ciaaw:standardAtomicWeightUncertainty 0.001 ;
    ciaaw:standardAtomicWeightValue 140.116 ;
    chemrof:atomic_number 58 ;
    chemrof:symbol "Ce" .

All atomic weights · All isotopic abundances