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
δ(18O/16O) 6.9 0.5
δ(17O/16O) 4.1 0.5
Δ(17O/16O) 0.5 0.5
name global-id
name spots global-id