# 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:Europium ciaaw:hasIsotope ciaaw_draft:Eu-153 .

ciaaw:note-g a ciaaw:Footnote ;
    skos:definition "Geological and biological materials are known in which the element has an isotopic composition outside the limits for normal material. The difference between the atomic weight of the element in such materials and that given in the table may exceed the stated uncertainty."@en ;
    skos:notation "g" .

ciaaw_draft:Abundance-Eu153 a ciaaw:IsotopicAbundanceDeclaration ;
    ciaaw:footnote ciaaw:note-g ;
    ciaaw:ofIsotope ciaaw_draft:Eu-153 ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 0.5219 ;
            qudt:standardUncertainty 0.0006 ;
            ciaaw:significantFigures 4 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:Eu-153 a chemrof:Isotope ;
    ciaaw:currentAbundance ciaaw_draft:Abundance-Eu153 ;
    ciaaw:hasDeclaration ciaaw_draft:Abundance-Eu153 ;
    ciaaw:massNumber 153 .