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

# Standard atomic weight of lead

| Property | Value |
| --- | --- |
| About | [lead](../elements/Lead.md) |
| Value | [206.14, 207.94] |
| Year | 2020 |
| Source | [10.1515/pac-2019-0603](https://doi.org/10.1515/pac-2019-0603) |
| Status | Current |
| IRI | `https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/id/AW-Pb-standard` |

## Turtle

This resource as a file: [AW-Pb-standard.ttl](AW-Pb-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:Lead ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Pb-standard ;
    ciaaw:hasDeclaration ciaaw_draft:AW-Pb-standard .

ciaaw_draft:AW-Pb-standard-1969 dcterms:isReplacedBy ciaaw_draft:AW-Pb-standard .

ciaaw_draft:AW-Pb-standard a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:issued "2020"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Pb-standard-1969 ;
    dcterms:source <https://doi.org/10.1515/pac-2019-0603> ;
    ciaaw:ofElement element:Lead ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:lowerBound 206.14 ;
            qudt:upperBound 207.94 ;
            ciaaw:significantFiguresLower 5 ;
            ciaaw:significantFiguresUpper 5 ] .
```