ThermoFisher GasBench II
The Gasbench II is a headspace gas analyzer. It is primarily used to measure the carbon and oxygen isotope composition of carbon dioxide (CO2) gas liberated from carbonates by digestion in phosphoric acid.
Available Reference Materials
| Reference material | Material | δ13C (VPDB) | δ18O (VPDB) |
|---|---|---|---|
| NBS 18 | calcite | -5.014 | -23.2 |
| USGS 44 | calcite | -42.21 | |
|
Carrara Marble (Elemental Microanalysis Certificate #255078) |
calcite |
2.10 |
-2.01 |
