niobium
| Property | Value |
|---|---|
| Symbol | Nb |
| Atomic number | 41 |
| IRI | https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/Niobium |
| Wikidata | Q1046 |
Standard atomic weight
| Value | Year | Source | Status | Declaration |
|---|---|---|---|---|
| 92.906 37(1) | 2017 | 10.1515/pac-2019-0603 | Current | AW-Nb-standard |
| 92.906 37(2) | 2013 | 10.1515/pac-2015-0305 | Deprecated, see AW-Nb-standard |
AW-Nb-standard-2013 |
| 92.906 38(2) | 1985 | 10.1351/pac198658121677 | Deprecated, see AW-Nb-standard-2013 |
AW-Nb-standard-1985 |
| 92.9064(1) | 1969 | 10.1351/pac197021010091 | Deprecated, see AW-Nb-standard-1985 |
AW-Nb-standard-1969 |
| 92.906 | 1961 | 10.1021/ja00881a001 | Deprecated, see AW-Nb-standard-1969 |
AW-Nb-standard-1961 |
| 92.91 | 1935 | 10.1039/JR9350000788 | Deprecated, see AW-Nb-standard-1961 |
AW-Nb-standard-1935 |
| 93.3 | 1931 | 10.1039/JR9310001617 | Deprecated, see AW-Nb-standard-1935 |
AW-Nb-standard-1931 |
| 93.1 | 1917 | 10.1021/ja02268a001 | Deprecated, see AW-Nb-standard-1931 |
AW-Nb-standard-1917 |
| 93.5 | 1909 | 10.1021/ja01931a001 | Deprecated, see AW-Nb-standard-1917 |
AW-Nb-standard-1909 |
| 94 | 1902 | 10.1007/BF01370337 | Deprecated, see AW-Nb-standard-1909 |
AW-Nb-standard-1902 |
Isotopes
| A | Representative isotopic composition | Year | Source | Declaration | ChEBI | Wikidata |
|---|---|---|---|---|---|---|
| 93 | 1 | — | — | Abundance-Nb93 |
— | Q2319025 |
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
Baxter, G. P., Hönigschmid, O., Lebeau, P., & Meyer, R. J. (1935). Fifth Report of the Committee on Atomic Weights of the International Union of Chemistry. J. Chem. Soc., 0(0), 788–795. https://doi.org/10.1039/jr9350000788 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
Clark, F. W. (1916). ANNUAL REPORT OF THE INTERNATIONAL COMMITTEE ON ATOMIC WEIGHTS, 1917. Journal of the American Chemical Society, 38(11), 2219–2221. https://doi.org/10.1021/ja02268a001 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
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: Niobium.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 unit: <http://qudt.org/vocab/unit/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
ciaaw_draft:AW-Nb-standard-1902 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Nb-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:Niobium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 94.0 ] .
ciaaw_draft:AW-Nb-standard a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:issued "2017"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Nb-standard-2013 ;
dcterms:source <https://doi.org/10.1515/pac-2019-0603> ;
ciaaw:ofElement element:Niobium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 92.90637 ;
qudt:standardUncertainty 0.00001 ;
ciaaw:significantFigures 7 ;
ciaaw:significantFiguresUncertainty 1 ] .
ciaaw_draft:AW-Nb-standard-1909 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Nb-standard-1917 ;
dcterms:issued "1909"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Nb-standard-1902 ;
dcterms:source <https://doi.org/10.1021/ja01931a001> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Niobium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 93.5 ] .
ciaaw_draft:AW-Nb-standard-1917 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Nb-standard-1931 ;
dcterms:issued "1917"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Nb-standard-1909 ;
dcterms:source <https://doi.org/10.1021/ja02268a001> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Niobium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 93.1 ] .
ciaaw_draft:AW-Nb-standard-1931 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Nb-standard-1935 ;
dcterms:issued "1931"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Nb-standard-1917 ;
dcterms:source <https://doi.org/10.1039/JR9310001617> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Niobium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 93.3 ] .
ciaaw_draft:AW-Nb-standard-1935 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Nb-standard-1961 ;
dcterms:issued "1935"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Nb-standard-1931 ;
dcterms:source <https://doi.org/10.1039/JR9350000788> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Niobium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 92.91 ] .
ciaaw_draft:AW-Nb-standard-1961 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Nb-standard-1969 ;
dcterms:issued "1961"^^xsd:gYear ;
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dcterms:source <https://doi.org/10.1021/ja00881a001> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Niobium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 92.906 ] .
ciaaw_draft:AW-Nb-standard-1969 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Nb-standard-1985 ;
dcterms:issued "1969"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Nb-standard-1961 ;
dcterms:source <https://doi.org/10.1351/pac197021010091> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Niobium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 92.9064 ;
qudt:standardUncertainty 0.0001 ;
ciaaw:significantFigures 6 ;
ciaaw:significantFiguresUncertainty 1 ] .
ciaaw_draft:AW-Nb-standard-1985 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Nb-standard-2013 ;
dcterms:issued "1985"^^xsd:gYear ;
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dcterms:source <https://doi.org/10.1351/pac198658121677> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Niobium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 92.90638 ;
qudt:standardUncertainty 0.00002 ;
ciaaw:significantFigures 7 ;
ciaaw:significantFiguresUncertainty 1 ] .
ciaaw_draft:AW-Nb-standard-2013 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Nb-standard ;
dcterms:issued "2013"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Nb-standard-1985 ;
dcterms:source <https://doi.org/10.1515/pac-2015-0305> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Niobium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 92.90637 ;
qudt:standardUncertainty 0.00002 ;
ciaaw:significantFigures 7 ;
ciaaw:significantFiguresUncertainty 1 ] .
element:Niobium a chemrof:ChemicalElement ;
rdfs:label "niobium"@en ;
ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Nb-standard ;
ciaaw:hasDeclaration ciaaw_draft:AW-Nb-standard,
ciaaw_draft:AW-Nb-standard-1902,
ciaaw_draft:AW-Nb-standard-1909,
ciaaw_draft:AW-Nb-standard-1917,
ciaaw_draft:AW-Nb-standard-1931,
ciaaw_draft:AW-Nb-standard-1935,
ciaaw_draft:AW-Nb-standard-1961,
ciaaw_draft:AW-Nb-standard-1969,
ciaaw_draft:AW-Nb-standard-1985,
ciaaw_draft:AW-Nb-standard-2013 ;
ciaaw:hasIsotope ciaaw_draft:Nb-93 ;
ciaaw:standardAtomicWeightUncertainty 0.00001 ;
ciaaw:standardAtomicWeightValue 92.90637 ;
chemrof:atomic_number 41 ;
chemrof:symbol "Nb" .