Table 4 Summary of the precision of δ2H, δ18O, δ17O and 17O-excess for two international standards (SLAP and GISP) and five commercially available working standards from LGR.
From: Stable isotope variations of daily precipitation from 2014–2018 in the central United States
Samples | Precision | |||
|---|---|---|---|---|
δ2H (‰) | δ18O (‰) | δ17O (‰) | 17O-excess (per meg) | |
SLAPVSMOW-SLAP | 0.79 | 0.04 | 0.02 | 3 |
GISPVSMOW-SLAP | 0.12 | 0.02 | 0.02 | 7 |
LGR #1VSMOW-SLAP | 0.80 | 0.06 | 0.03 | 8 |
LGR #2VSMOW-SLAP | 0.73 | 0.06 | 0.03 | 2 |
LGR #3VSMOW-SLAP | 0.42 | 0.01 | 0.02 | 12 |
LGR #4VSMOW-SLAP | 0.07 | 0.06 | 0.02 | 8 |
LGR #5VSMOW-SLAP | 0.72 | 0.06 | 0.03 | 5 |
