chromium
| Property | Value |
|---|---|
| Symbol | Cr |
| Atomic number | 24 |
| IRI | https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/Chromium |
| Wikidata | Q725 |
Standard atomic weight
| Value | Year | Source | Status | Declaration |
|---|---|---|---|---|
| 51.9961(6) | 1983 | 10.1351/pac198456060653 | Current | AW-Cr-standard |
| 51.996(1) | 1969 | 10.1351/pac197021010091 | Deprecated, see AW-Cr-standard |
AW-Cr-standard-1969 |
| 51.996 | 1967 | 10.1351/pac196918040569 | Deprecated, see AW-Cr-standard-1969 |
AW-Cr-standard-1967 |
| 51.996(1) | 1961 | 10.1021/ja00881a001 | Deprecated, see AW-Cr-standard-1967 |
AW-Cr-standard-1961 |
| 52.01 | 1925 | 10.1039/CT9252700913 | Deprecated, see AW-Cr-standard-1961 |
AW-Cr-standard-1925 |
| 52 | 1910 | 10.1021/ja01919a001 | Deprecated, see AW-Cr-standard-1925 |
AW-Cr-standard-1910 |
| 52.1 | 1902 | 10.1007/BF01370337 | Deprecated, see AW-Cr-standard-1910 |
AW-Cr-standard-1902 |
Isotopes
| A | Representative isotopic composition | Year | Source | Declaration | ChEBI | Wikidata |
|---|---|---|---|---|---|---|
| 50 | 0.043 45(13) | — | — | Abundance-Cr50 |
— | Q2424589 |
| 52 | 0.837 89(18) | — | — | Abundance-Cr52 |
— | Q4469260 |
| 53 | 0.095 01(17) | — | — | Abundance-Cr53 |
— | Q13466446 |
| 54 | 0.023 65(7) | — | — | Abundance-Cr54 |
— | Q2239560 |
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 Elements. (1969). Pure and Applied Chemistry, 18(4), 569–580. https://doi.org/10.1351/pac196918040569 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
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., Thorpe, T. E., Ostwald, W., & Urbain, G. (1910). REPORT OF THE INTERNATIONAL COMMITTEE ON ATOMIC WEIGHTS, 1910. Journal of the American Chemical Society, 32(1), 1–4. https://doi.org/10.1021/ja01919a001 CrossRef Scholia
Turtle
This resource as a file: Chromium.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-Cr-standard-1902 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Cr-standard-1910 ;
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:Chromium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 52.1 ] .
ciaaw_draft:AW-Cr-standard a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:issued "1983"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Cr-standard-1969 ;
dcterms:source <https://doi.org/10.1351/pac198456060653> ;
ciaaw:ofElement element:Chromium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 51.9961 ;
qudt:standardUncertainty 0.0006 ;
ciaaw:significantFigures 6 ;
ciaaw:significantFiguresUncertainty 1 ] .
ciaaw_draft:AW-Cr-standard-1910 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Cr-standard-1925 ;
dcterms:issued "1910"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Cr-standard-1902 ;
dcterms:source <https://doi.org/10.1021/ja01919a001> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Chromium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 52.0 ] .
ciaaw_draft:AW-Cr-standard-1925 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Cr-standard-1961 ;
dcterms:issued "1925"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Cr-standard-1910 ;
dcterms:source <https://doi.org/10.1039/CT9252700913> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Chromium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 52.01 ] .
ciaaw_draft:AW-Cr-standard-1961 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Cr-standard-1967 ;
dcterms:issued "1961"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Cr-standard-1925 ;
dcterms:source <https://doi.org/10.1021/ja00881a001> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Chromium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 51.996 ;
qudt:standardUncertainty 0.001 ;
ciaaw:significantFigures 5 ;
ciaaw:significantFiguresUncertainty 1 ] .
ciaaw_draft:AW-Cr-standard-1967 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Cr-standard-1969 ;
dcterms:issued "1967"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Cr-standard-1961 ;
dcterms:source <https://doi.org/10.1351/pac196918040569> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Chromium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 51.996 ] .
ciaaw_draft:AW-Cr-standard-1969 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Cr-standard ;
dcterms:issued "1969"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Cr-standard-1967 ;
dcterms:source <https://doi.org/10.1351/pac197021010091> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Chromium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 51.996 ;
qudt:standardUncertainty 0.001 ;
ciaaw:significantFigures 5 ;
ciaaw:significantFiguresUncertainty 1 ] .
element:Chromium a chemrof:ChemicalElement ;
rdfs:label "chromium"@en ;
ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Cr-standard ;
ciaaw:hasDeclaration ciaaw_draft:AW-Cr-standard,
ciaaw_draft:AW-Cr-standard-1902,
ciaaw_draft:AW-Cr-standard-1910,
ciaaw_draft:AW-Cr-standard-1925,
ciaaw_draft:AW-Cr-standard-1961,
ciaaw_draft:AW-Cr-standard-1967,
ciaaw_draft:AW-Cr-standard-1969 ;
ciaaw:hasIsotope ciaaw_draft:Cr-50,
ciaaw_draft:Cr-52,
ciaaw_draft:Cr-53,
ciaaw_draft:Cr-54 ;
ciaaw:standardAtomicWeightUncertainty 0.0006 ;
ciaaw:standardAtomicWeightValue 51.9961 ;
chemrof:atomic_number 24 ;
chemrof:symbol "Cr" .