in-situ O isotope for Ol0.5 low-Ca Px0.5 < 20120222194521-900-286 > pub
- technique: SIMS
- device: SIMS Cameca ims-1270
- operator: TK
- description: Primary beam ion; +20 keV Cs-, Gold coat thickness; 65 nm, Secondary accelerating voltage; -10 kV, Primary beam current; 200 pA, Primary beam rastering; 5x5 um (7x7 um for first 140s), Energy offset; -45 eV, Contrast aperture diameter; 40 um Entrance slit width; 80 um Field aperture dimension; 800x800 um (20x20 um on sample)
- modified at 2018-12-19
- stone: en-ol-E003b
| measured | value | uncertainty | unit | description | |
|---|---|---|---|---|---|
| δ(18O/16O) | 6.9 | 0.5 | ‰ | ||
| δ(17O/16O) | 4.1 | 0.5 | ‰ | ||
| Δ(17O/16O) | 0.5 | 0.5 | ‰ | ||