Vienna Standard Mean Ocean Water (VSMOW)
                        
                            GPTKB entity
                        
                    
                Statements (28)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:water_standard | 
| gptkbp:abbreviation | gptkb:VSMOW | 
| gptkbp:category | water chemistry chemical standard | 
| gptkbp:citation | delta notation (δ18O, δ2H) | 
| gptkbp:composition | gptkb:H2O | 
| gptkbp:hasIsland | gptkb:16O gptkb:17O gptkb:18O gptkb:1H 2H | 
| gptkbp:introduced | 1968 | 
| gptkbp:isotopicRatio17O/16O | 379.9 × 10⁻⁶ | 
| gptkbp:isotopicRatio18O/16O | 2005.20 × 10⁻⁶ | 
| gptkbp:isotopicRatio2H/1H | 155.76 × 10⁻⁶ | 
| gptkbp:locationOfStandardization | gptkb:Vienna | 
| gptkbp:replacedBy | gptkb:Standard_Mean_Ocean_Water_(SMOW) | 
| gptkbp:standardizedBy | gptkb:International_Atomic_Energy_Agency | 
| gptkbp:usedFor | gptkb:reference calibration isotope ratio standard measurement of water isotopes | 
| gptkbp:usedIn | climate science geochemistry hydrology | 
| gptkbp:bfsParent | gptkb:O-16 | 
| gptkbp:bfsLayer | 6 | 
| https://www.w3.org/2000/01/rdf-schema#label | Vienna Standard Mean Ocean Water (VSMOW) |