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Terrestrial or Solar System reference values for H-, C-, N-, O-, Cl-, Br-, and Kr-isotopic compositions
| Isotope Ratio | Reference Material1 | Reference Value |
|---|---|---|
| D/H | VSMOW | 0.00015576 |
| 13C/12C | PDB | 0.0112372 |
| 15N/14N | Air | 0.0036765 |
| 17O/16O | VSMOW | 0.0003799 |
| 18O/16O | VSMOW | 0.0020052 |
| 37Cl/35Cl | SMOC | 0.3196 |
| 81Br/79Br | NIST 977 | 0.9729 |
| 80Kr/84Kr | Solar wind | 0.04120 |
| 82Kr/84Kr | Solar wind | 0.20540 |
| 83Kr/84Kr | Solar wind | 0.20340 |
| 86Kr/84Kr | Solar wind | 0.30120 |
1Solar wind data from Ott (2014).
