> **PROTOTYPE:** a suggestion, not an official CIAAW or IUPAC page. Official values are at [ciaaw.org](https://ciaaw.org).

# copper-65

| Property | Value |
| --- | --- |
| Element | [copper](../elements/Copper.md) |
| Mass number | 65 |
| IRI | `https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/id/Cu-65` |
| Wikidata | [Q2557191](https://www.wikidata.org/wiki/Q2557191) |

## Isotopic abundance

| Value | Year | Source | Status | Declaration |
| --- | --- | --- | --- | --- |
| 0.3085(15) | — | — | Current | [`Abundance-Cu65`](Abundance-Cu65.md) |

Notes: [r](#note-r)

## Notes

<a id="note-r"></a>**r** Range in isotopic composition of normal terrestrial material prevents a more precise standard atomic weight being given; the tabulated value and uncertainty should be applicable to normal material.

## Turtle

This resource as a file: [Cu-65.ttl](Cu-65.ttl)

```turtle
# Prototype: a suggestion, not an official CIAAW or IUPAC record. Official values are at https://ciaaw.org

@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 element: <https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@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#> .

element:Copper ciaaw:hasIsotope ciaaw_draft:Cu-65 .

ciaaw:note-r a ciaaw:Footnote ;
    skos:definition "Range in isotopic composition of normal terrestrial material prevents a more precise standard atomic weight being given; the tabulated value and uncertainty should be applicable to normal material."@en ;
    skos:notation "r" .

ciaaw_draft:Abundance-Cu65 a ciaaw:IsotopicAbundanceDeclaration ;
    ciaaw:footnote ciaaw:note-r ;
    ciaaw:ofIsotope ciaaw_draft:Cu-65 ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 0.3085 ;
            qudt:standardUncertainty 0.0015 ;
            ciaaw:significantFigures 4 ;
            ciaaw:significantFiguresUncertainty 2 ] .

ciaaw_draft:Cu-65 a chemrof:Isotope ;
    ciaaw:currentAbundance ciaaw_draft:Abundance-Cu65 ;
    ciaaw:hasDeclaration ciaaw_draft:Abundance-Cu65 ;
    ciaaw:massNumber 65 .
```