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

holmium

Property Value
Symbol Ho
Atomic number 67
IRI https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/Holmium
Wikidata Q1846

Standard atomic weight

Value Year Source Status Declaration
164.930 329(5) 2021 10.1515/pac-2019-0603 Current AW-Ho-standard
164.930 328(7) 2017 10.1515/pac-2019-0603 Deprecated, see AW-Ho-standard AW-Ho-standard-2017
164.930 33(2) 2013 10.1515/pac-2015-0305 Deprecated, see AW-Ho-standard-2017 AW-Ho-standard-2013
164.930 32(2) 1995 10.1351/pac199668122339 Deprecated, see AW-Ho-standard-2013 AW-Ho-standard-1995
164.930 32(3) 1985 10.1351/pac198658121677 Deprecated, see AW-Ho-standard-1995 AW-Ho-standard-1985
164.9304(1) 1971 10.1351/pac197230030637 Deprecated, see AW-Ho-standard-1985 AW-Ho-standard-1971
164.9303(1) 1969 10.1351/pac197021010091 Deprecated, see AW-Ho-standard-1971 AW-Ho-standard-1969
164.930 1961 10.1021/ja00881a001 Deprecated, see AW-Ho-standard-1969 AW-Ho-standard-1961
164.94 1941 10.1039/JR9410000146 Deprecated, see AW-Ho-standard-1961 AW-Ho-standard-1941
163.5 1931 10.1039/JR9310001617 Deprecated, see AW-Ho-standard-1941 AW-Ho-standard-1931
163.4 1925 10.1039/CT9252700913 Deprecated, see AW-Ho-standard-1931 AW-Ho-standard-1925
163.5 1913 10.1021/ja02212a001 Deprecated, see AW-Ho-standard-1925 AW-Ho-standard-1913

Isotopes

A Representative isotopic composition Year Source Declaration ChEBI Wikidata
165 1 — — Abundance-Ho165 — Q15876412

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 1971. (1972). Pure and Applied Chemistry, 30(3–4), 637–650. https://doi.org/10.1351/pac197230030637 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
Baxter, G. P., Guichard, M., Hönigschmid, O., & Whytlaw-Gray, R. (1941). Eleventh Report of the Committee on Atomic Weights of the International Union of Chemistry. J. Chem. Soc., 0(0), 146–152. https://doi.org/10.1039/jr9410000146 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., THORPE, T., OSTWALD, W., & URBAIN, G. (1912). ANNUAL REPORT OF THE INTERNATIONAL COMMITTEE ON ATOMIC WEIGHTS, 1913. Journal of the American Chemical Society, 34(11), 1437–1440. https://doi.org/10.1021/ja02212a001 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
Meija, J., Coplen, T. B., Berglund, M., Brand, W. A., De Bièvre, P., Gröning, M., Holden, N. E., Irrgeher, J., Loss, R. D., Walczyk, T., & Prohaska, T. (2016). Atomic weights of the elements 2013 (IUPAC Technical Report). Pure and Applied Chemistry, 88(3), 265–291. https://doi.org/10.1515/pac-2015-0305 CrossRef Scholia
Prohaska, T., Irrgeher, J., Benefield, J., Böhlke, J. K., Chesson, L. A., Coplen, T. B., Ding, T., Dunn, P. J. H., Gröning, M., Holden, N. E., Meijer, H. A. J., Moossen, H., Possolo, A., Takahashi, Y., Vogl, J., Walczyk, T., Wang, J., Wieser, M. E., Yoneda, S., … Meija, J. (2022). Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry, 94(5), 573–600. https://doi.org/10.1515/pac-2019-0603 CrossRef Scholia

Turtle

This resource as a file: Holmium.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/> .
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@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-Ho-standard-1913 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ho-standard-1925 ;
    dcterms:issued "1913"^^xsd:gYear ;
    dcterms:source <https://doi.org/10.1021/ja02212a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Holmium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 163.5 ] .

ciaaw_draft:AW-Ho-standard a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:issued "2021"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Ho-standard-2017 ;
    dcterms:source <https://doi.org/10.1515/pac-2019-0603> ;
    ciaaw:ofElement element:Holmium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 164.930329 ;
            qudt:standardUncertainty 0.000005 ;
            ciaaw:significantFigures 9 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Ho-standard-1925 a ciaaw:StandardAtomicWeightDeclaration ;
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ciaaw_draft:AW-Ho-standard-1931 a ciaaw:StandardAtomicWeightDeclaration ;
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    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 163.5 ] .

ciaaw_draft:AW-Ho-standard-1941 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Ho-standard-1961 ;
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    owl:deprecated true ;
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    ciaaw:ofElement element:Holmium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 164.94 ] .

ciaaw_draft:AW-Ho-standard-1961 a ciaaw:StandardAtomicWeightDeclaration ;
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ciaaw_draft:AW-Ho-standard-1969 a ciaaw:StandardAtomicWeightDeclaration ;
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    ciaaw:ofElement element:Holmium ;
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            qudt:standardUncertainty 0.0001 ;
            ciaaw:significantFigures 7 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Ho-standard-1971 a ciaaw:StandardAtomicWeightDeclaration ;
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ciaaw_draft:AW-Ho-standard-1985 a ciaaw:StandardAtomicWeightDeclaration ;
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            qudt:standardUncertainty 0.00003 ;
            ciaaw:significantFigures 8 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Ho-standard-1995 a ciaaw:StandardAtomicWeightDeclaration ;
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    owl:deprecated true ;
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            qudt:numericValue 164.93032 ;
            qudt:standardUncertainty 0.00002 ;
            ciaaw:significantFigures 8 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Ho-standard-2013 a ciaaw:StandardAtomicWeightDeclaration ;
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            qudt:standardUncertainty 0.00002 ;
            ciaaw:significantFigures 8 ;
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ciaaw_draft:AW-Ho-standard-2017 a ciaaw:StandardAtomicWeightDeclaration ;
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            qudt:standardUncertainty 0.000007 ;
            ciaaw:significantFigures 9 ;
            ciaaw:significantFiguresUncertainty 1 ] .

element:Holmium a chemrof:ChemicalElement ;
    rdfs:label "holmium"@en ;
    ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Ho-standard ;
    ciaaw:hasDeclaration ciaaw_draft:AW-Ho-standard,
        ciaaw_draft:AW-Ho-standard-1913,
        ciaaw_draft:AW-Ho-standard-1925,
        ciaaw_draft:AW-Ho-standard-1931,
        ciaaw_draft:AW-Ho-standard-1941,
        ciaaw_draft:AW-Ho-standard-1961,
        ciaaw_draft:AW-Ho-standard-1969,
        ciaaw_draft:AW-Ho-standard-1971,
        ciaaw_draft:AW-Ho-standard-1985,
        ciaaw_draft:AW-Ho-standard-1995,
        ciaaw_draft:AW-Ho-standard-2013,
        ciaaw_draft:AW-Ho-standard-2017 ;
    ciaaw:hasIsotope ciaaw_draft:Ho-165 ;
    ciaaw:standardAtomicWeightUncertainty 0.000005 ;
    ciaaw:standardAtomicWeightValue 164.930329 ;
    chemrof:atomic_number 67 ;
    chemrof:symbol "Ho" .

All atomic weights · All isotopic abundances