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

erbium

Property Value
Symbol Er
Atomic number 68
IRI https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/Erbium
Wikidata Q1849

Standard atomic weight

Value Year Source Status Declaration
167.259(3) 1999 10.1351/pac200173040667 Current AW-Er-standard
167.26(3) 1969 10.1351/pac197021010091 Deprecated, see AW-Er-standard AW-Er-standard-1969
167.26 1961 10.1021/ja00881a001 Deprecated, see AW-Er-standard-1969 AW-Er-standard-1961
167.27 1955 10.1021/ja01595a001 Deprecated, see AW-Er-standard-1961 AW-Er-standard-1955
167.2 1938 10.1039/JR9380001101 Deprecated, see AW-Er-standard-1955 AW-Er-standard-1938
167.64 1931 10.1039/JR9310001617 Deprecated, see AW-Er-standard-1938 AW-Er-standard-1931
167.7 1912 10.1021/ja02224a601 Deprecated, see AW-Er-standard-1931 AW-Er-standard-1912
167.4 1909 10.1021/ja01931a001 Deprecated, see AW-Er-standard-1912 AW-Er-standard-1909
166 1902 10.1007/BF01370337 Deprecated, see AW-Er-standard-1909 AW-Er-standard-1902

Notes: g

Isotopes

A Representative isotopic composition Year Source Declaration ChEBI Wikidata
162 0.001 39(5) — — Abundance-Er162 — Q15874939
164 0.016 01(3) — — Abundance-Er164 — Q15874941
166 0.335 03(36) — — Abundance-Er166 — Q15874944
167 0.228 69(9) — — Abundance-Er167 — Q15874945
168 0.269 78(18) — — Abundance-Er168 — Q15874946
170 0.149 10(36) — — Abundance-Er170 — Q15874948

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
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
Baxter, G. P., Hönigschmid, O., & Lebeau, P. (1938). Eighth Report of the Committee on Atomic Weights of the International Union of Chemistry. J. Chem. Soc., 0(0), 1101–1109. https://doi.org/10.1039/jr9380001101 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
Clarke, F., Thorpe, T., Ostwald, W., & Urbain, G. (1911). Annual Report of the International Committee on Atomic Weights, 1912. Journal of the American Chemical Society, 33(11), 1639–1642. https://doi.org/10.1021/ja02224a601 CrossRef Scholia
Coplen, T. B. (2001). Atomic weights of the elements 1999 (IUPAC Technical Report). Pure and Applied Chemistry, 73(4), 667–683. https://doi.org/10.1351/pac200173040667 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

Turtle

This resource as a file: Erbium.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-Er-standard-1902 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Er-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:Erbium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 166.0 ] .

ciaaw_draft:AW-Er-standard a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:issued "1999"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Er-standard-1969 ;
    dcterms:source <https://doi.org/10.1351/pac200173040667> ;
    ciaaw:footnote ciaaw:note-g ;
    ciaaw:ofElement element:Erbium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 167.259 ;
            qudt:standardUncertainty 0.003 ;
            ciaaw:significantFigures 6 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Er-standard-1909 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Er-standard-1912 ;
    dcterms:issued "1909"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Er-standard-1902 ;
    dcterms:source <https://doi.org/10.1021/ja01931a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Erbium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 167.4 ] .

ciaaw_draft:AW-Er-standard-1912 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Er-standard-1931 ;
    dcterms:issued "1912"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Er-standard-1909 ;
    dcterms:source <https://doi.org/10.1021/ja02224a601> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Erbium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 167.7 ] .

ciaaw_draft:AW-Er-standard-1931 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Er-standard-1938 ;
    dcterms:issued "1931"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Er-standard-1912 ;
    dcterms:source <https://doi.org/10.1039/JR9310001617> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Erbium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 167.64 ] .

ciaaw_draft:AW-Er-standard-1938 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Er-standard-1955 ;
    dcterms:issued "1938"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Er-standard-1931 ;
    dcterms:source <https://doi.org/10.1039/JR9380001101> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Erbium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 167.2 ] .

ciaaw_draft:AW-Er-standard-1955 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Er-standard-1961 ;
    dcterms:issued "1955"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Er-standard-1938 ;
    dcterms:source <https://doi.org/10.1021/ja01595a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Erbium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 167.27 ] .

ciaaw_draft:AW-Er-standard-1961 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Er-standard-1969 ;
    dcterms:issued "1961"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Er-standard-1955 ;
    dcterms:source <https://doi.org/10.1021/ja00881a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Erbium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 167.26 ] .

ciaaw_draft:AW-Er-standard-1969 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Er-standard ;
    dcterms:issued "1969"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Er-standard-1961 ;
    dcterms:source <https://doi.org/10.1351/pac197021010091> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Erbium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 167.26 ;
            qudt:standardUncertainty 0.03 ;
            ciaaw:significantFigures 5 ;
            ciaaw:significantFiguresUncertainty 1 ] .

element:Erbium a chemrof:ChemicalElement ;
    rdfs:label "erbium"@en ;
    ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Er-standard ;
    ciaaw:hasDeclaration ciaaw_draft:AW-Er-standard,
        ciaaw_draft:AW-Er-standard-1902,
        ciaaw_draft:AW-Er-standard-1909,
        ciaaw_draft:AW-Er-standard-1912,
        ciaaw_draft:AW-Er-standard-1931,
        ciaaw_draft:AW-Er-standard-1938,
        ciaaw_draft:AW-Er-standard-1955,
        ciaaw_draft:AW-Er-standard-1961,
        ciaaw_draft:AW-Er-standard-1969 ;
    ciaaw:hasIsotope ciaaw_draft:Er-162,
        ciaaw_draft:Er-164,
        ciaaw_draft:Er-166,
        ciaaw_draft:Er-167,
        ciaaw_draft:Er-168,
        ciaaw_draft:Er-170 ;
    ciaaw:standardAtomicWeightUncertainty 0.003 ;
    ciaaw:standardAtomicWeightValue 167.259 ;
    chemrof:atomic_number 68 ;
    chemrof:symbol "Er" .

All atomic weights · All isotopic abundances