iridium
| Property | Value |
|---|---|
| Symbol | Ir |
| Atomic number | 77 |
| IRI | https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/Iridium |
| Wikidata | Q877 |
Standard atomic weight
| Value | Year | Source | Status | Declaration |
|---|---|---|---|---|
| 192.217(2) | 2017 | 10.1515/pac-2019-0603 | Current | AW-Ir-standard |
| 192.217(3) | 1993 | 10.1351/pac199466122423 | Deprecated, see AW-Ir-standard |
AW-Ir-standard-1993 |
| 192.22(3) | 1969 | 10.1351/pac197021010091 | Deprecated, see AW-Ir-standard-1993 |
AW-Ir-standard-1969 |
| 192.2 | 1953 | 10.1039/JR9540004713 | Deprecated, see AW-Ir-standard-1969 |
AW-Ir-standard-1953 |
| 193.1 | 1909 | 10.1021/ja01931a001 | Deprecated, see AW-Ir-standard-1953 |
AW-Ir-standard-1909 |
| 193 | 1902 | 10.1007/BF01370337 | Deprecated, see AW-Ir-standard-1909 |
AW-Ir-standard-1902 |
Isotopes
| A | Representative isotopic composition | Year | Source | Declaration | ChEBI | Wikidata |
|---|---|---|---|---|---|---|
| 191 | 0.3723(9) | — | — | Abundance-Ir191 |
— | Q18883039 |
| 193 | 0.6277(9) | — | — | Abundance-Ir193 |
— | Q18883045 |
Bibliography
(1994). Pure and Applied Chemistry, 66(12), 2423–2444. https://doi.org/10.1351/pac199466122423 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
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
International atomic weights, 1953. (1954). Journal of the Chemical Society (Resumed), 4713. https://doi.org/10.1039/jr9540004713 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: Iridium.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-Ir-standard-1902 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Ir-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:Iridium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 193.0 ] .
ciaaw_draft:AW-Ir-standard a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:issued "2017"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Ir-standard-1993 ;
dcterms:source <https://doi.org/10.1515/pac-2019-0603> ;
ciaaw:ofElement element:Iridium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 192.217 ;
qudt:standardUncertainty 0.002 ;
ciaaw:significantFigures 6 ;
ciaaw:significantFiguresUncertainty 1 ] .
ciaaw_draft:AW-Ir-standard-1909 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Ir-standard-1953 ;
dcterms:issued "1909"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Ir-standard-1902 ;
dcterms:source <https://doi.org/10.1021/ja01931a001> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Iridium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 193.1 ] .
ciaaw_draft:AW-Ir-standard-1953 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Ir-standard-1969 ;
dcterms:issued "1953"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Ir-standard-1909 ;
dcterms:source <https://doi.org/10.1039/JR9540004713> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Iridium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 192.2 ] .
ciaaw_draft:AW-Ir-standard-1969 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Ir-standard-1993 ;
dcterms:issued "1969"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Ir-standard-1953 ;
dcterms:source <https://doi.org/10.1351/pac197021010091> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Iridium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 192.22 ;
qudt:standardUncertainty 0.03 ;
ciaaw:significantFigures 5 ;
ciaaw:significantFiguresUncertainty 1 ] .
ciaaw_draft:AW-Ir-standard-1993 a ciaaw:StandardAtomicWeightDeclaration ;
dcterms:isReplacedBy ciaaw_draft:AW-Ir-standard ;
dcterms:issued "1993"^^xsd:gYear ;
dcterms:replaces ciaaw_draft:AW-Ir-standard-1969 ;
dcterms:source <https://doi.org/10.1351/pac199466122423> ;
owl:deprecated true ;
adms:status <http://purl.org/adms/status/Deprecated> ;
ciaaw:ofElement element:Iridium ;
ciaaw:value [ a qudt:QuantityValue ;
qudt:hasUnit unit:UNITLESS ;
qudt:numericValue 192.217 ;
qudt:standardUncertainty 0.003 ;
ciaaw:significantFigures 6 ;
ciaaw:significantFiguresUncertainty 1 ] .
element:Iridium a chemrof:ChemicalElement ;
rdfs:label "iridium"@en ;
ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Ir-standard ;
ciaaw:hasDeclaration ciaaw_draft:AW-Ir-standard,
ciaaw_draft:AW-Ir-standard-1902,
ciaaw_draft:AW-Ir-standard-1909,
ciaaw_draft:AW-Ir-standard-1953,
ciaaw_draft:AW-Ir-standard-1969,
ciaaw_draft:AW-Ir-standard-1993 ;
ciaaw:hasIsotope ciaaw_draft:Ir-191,
ciaaw_draft:Ir-193 ;
ciaaw:standardAtomicWeightUncertainty 0.002 ;
ciaaw:standardAtomicWeightValue 192.217 ;
chemrof:atomic_number 77 ;
chemrof:symbol "Ir" .