oxygen-18

Property	Value
Element	oxygen
Mass number	18
IRI	`https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/id/O-18`
Wikidata	Q662269

Isotopic abundance

Value	Year	Source	Status	Declaration
[0.001 87, 0.002 22]	—	—	Current	`Abundance-O18`

Turtle

This resource as a file: O-18.ttl

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

element:Oxygen ciaaw:hasIsotope ciaaw_draft:O-18 .

ciaaw_draft:Abundance-O18 a ciaaw:IsotopicAbundanceDeclaration ;
    ciaaw:ofIsotope ciaaw_draft:O-18 ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:lowerBound 0.00187 ;
            qudt:upperBound 0.00222 ;
            ciaaw:significantFiguresLower 3 ;
            ciaaw:significantFiguresUpper 3 ] .

ciaaw_draft:O-18 a chemrof:Isotope ;
    ciaaw:currentAbundance ciaaw_draft:Abundance-O18 ;
    ciaaw:hasDeclaration ciaaw_draft:Abundance-O18 ;
    ciaaw:massNumber 18 .