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

samarium

Property Value
Symbol Sm
Atomic number 62
IRI https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/Samarium
Wikidata Q1819

Standard atomic weight

Value Year Source Status Declaration
150.36(2) 2005 10.1351/pac200678112051 Current AW-Sm-standard
150.36(3) 1979 10.1351/pac198052102349 Deprecated, see AW-Sm-standard AW-Sm-standard-1979
150.4(1) 1969 10.1351/pac197021010091 Deprecated, see AW-Sm-standard-1979 AW-Sm-standard-1969
150.35 1955 10.1021/ja01595a001 Deprecated, see AW-Sm-standard-1969 AW-Sm-standard-1955
150.43 1925 10.1039/CT9252700913 Deprecated, see AW-Sm-standard-1955 AW-Sm-standard-1925
150.4 1909 10.1021/ja01931a001 Deprecated, see AW-Sm-standard-1925 AW-Sm-standard-1909
150.3 1905 10.1021/ja01979a001 Deprecated, see AW-Sm-standard-1909 AW-Sm-standard-1905
150 1902 10.1007/BF01370337 Deprecated, see AW-Sm-standard-1905 AW-Sm-standard-1902

Notes: g

Isotopes

A Representative isotopic composition Year Source Declaration ChEBI Wikidata
144 0.0308(4) — — Abundance-Sm144 — Q1862339
147 0.1500(14) — — Abundance-Sm147 — Q2081111
148 0.1125(9) — — Abundance-Sm148 — Q1985308
149 0.1382(10) — — Abundance-Sm149 — Q1915454
150 0.0737(9) — — Abundance-Sm150 — Q1905822
152 0.2674(9) — — Abundance-Sm152 — Q2288129
154 0.2274(14) — — Abundance-Sm154 — Q2402263

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

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
Atomic Weights of the Elements 1979. (1980). Pure and Applied Chemistry, 52(10), 2349–2384. https://doi.org/10.1351/pac198052102349 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
Clarke, F. W., Thorpe, T. E., Seubert, K., & Moissan, H. (1905). REPORT OF THE INTERNATIONAL COMMITTEE ON ATOMIC WEIGHTS. Journal of the American Chemical Society, 27(1), 1–7. https://doi.org/10.1021/ja01979a001 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
Wichers, E. (1956). Report on Atomic Weights for 1954-55. Journal of the American Chemical Society, 78(14), 3235–3240. https://doi.org/10.1021/ja01595a001 CrossRef Scholia
Wieser, M. E. (2006). Atomic weights of the elements 2005 (IUPAC Technical Report). Pure and Applied Chemistry, 78(11), 2051–2066. https://doi.org/10.1351/pac200678112051 CrossRef Scholia

Turtle

This resource as a file: Samarium.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-Sm-standard-1902 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Sm-standard-1905 ;
    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:Samarium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 150.0 ] .

ciaaw_draft:AW-Sm-standard a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:issued "2005"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Sm-standard-1979 ;
    dcterms:source <https://doi.org/10.1351/pac200678112051> ;
    ciaaw:footnote ciaaw:note-g ;
    ciaaw:ofElement element:Samarium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 150.36 ;
            qudt:standardUncertainty 0.02 ;
            ciaaw:significantFigures 5 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Sm-standard-1905 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Sm-standard-1909 ;
    dcterms:issued "1905"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Sm-standard-1902 ;
    dcterms:source <https://doi.org/10.1021/ja01979a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Samarium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 150.3 ] .

ciaaw_draft:AW-Sm-standard-1909 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Sm-standard-1925 ;
    dcterms:issued "1909"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Sm-standard-1905 ;
    dcterms:source <https://doi.org/10.1021/ja01931a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Samarium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 150.4 ] .

ciaaw_draft:AW-Sm-standard-1925 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Sm-standard-1955 ;
    dcterms:issued "1925"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Sm-standard-1909 ;
    dcterms:source <https://doi.org/10.1039/CT9252700913> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Samarium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 150.43 ] .

ciaaw_draft:AW-Sm-standard-1955 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Sm-standard-1969 ;
    dcterms:issued "1955"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Sm-standard-1925 ;
    dcterms:source <https://doi.org/10.1021/ja01595a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Samarium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 150.35 ] .

ciaaw_draft:AW-Sm-standard-1969 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Sm-standard-1979 ;
    dcterms:issued "1969"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Sm-standard-1955 ;
    dcterms:source <https://doi.org/10.1351/pac197021010091> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Samarium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 150.4 ;
            qudt:standardUncertainty 0.1 ;
            ciaaw:significantFigures 4 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Sm-standard-1979 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Sm-standard ;
    dcterms:issued "1979"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Sm-standard-1969 ;
    dcterms:source <https://doi.org/10.1351/pac198052102349> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Samarium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 150.36 ;
            qudt:standardUncertainty 0.03 ;
            ciaaw:significantFigures 5 ;
            ciaaw:significantFiguresUncertainty 1 ] .

element:Samarium a chemrof:ChemicalElement ;
    rdfs:label "samarium"@en ;
    ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Sm-standard ;
    ciaaw:hasDeclaration ciaaw_draft:AW-Sm-standard,
        ciaaw_draft:AW-Sm-standard-1902,
        ciaaw_draft:AW-Sm-standard-1905,
        ciaaw_draft:AW-Sm-standard-1909,
        ciaaw_draft:AW-Sm-standard-1925,
        ciaaw_draft:AW-Sm-standard-1955,
        ciaaw_draft:AW-Sm-standard-1969,
        ciaaw_draft:AW-Sm-standard-1979 ;
    ciaaw:hasIsotope ciaaw_draft:Sm-144,
        ciaaw_draft:Sm-147,
        ciaaw_draft:Sm-148,
        ciaaw_draft:Sm-149,
        ciaaw_draft:Sm-150,
        ciaaw_draft:Sm-152,
        ciaaw_draft:Sm-154 ;
    ciaaw:standardAtomicWeightUncertainty 0.02 ;
    ciaaw:standardAtomicWeightValue 150.36 ;
    chemrof:atomic_number 62 ;
    chemrof:symbol "Sm" .

All atomic weights · All isotopic abundances