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

# Standard atomic weight of beryllium

| Property | Value |
| --- | --- |
| About | [beryllium](../elements/Beryllium.md) |
| Value | 9.012 1831(5) |
| Year | 2013 |
| Source | [10.1515/pac-2015-0305](https://doi.org/10.1515/pac-2015-0305) |
| Status | Current |
| IRI | `https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/id/AW-Be-standard` |

## Turtle

This resource as a file: [AW-Be-standard.ttl](AW-Be-standard.ttl)

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

@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 qudt: <http://qudt.org/schema/qudt/> .
@prefix unit: <http://qudt.org/vocab/unit/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

element:Beryllium ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Be-standard ;
    ciaaw:hasDeclaration ciaaw_draft:AW-Be-standard .

ciaaw_draft:AW-Be-standard-1985 dcterms:isReplacedBy ciaaw_draft:AW-Be-standard .

ciaaw_draft:AW-Be-standard a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:issued "2013"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Be-standard-1985 ;
    dcterms:source <https://doi.org/10.1515/pac-2015-0305> ;
    ciaaw:ofElement element:Beryllium ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 9.0121831 ;
            qudt:standardUncertainty 0.0000005 ;
            ciaaw:significantFigures 8 ;
            ciaaw:significantFiguresUncertainty 1 ] .
```