Table 2.
δ(61Ni/62Ni) values obtained in a series of 61Ni-enriched/natural Ni mixtures in various ratios. U (δ(61Ni/62Ni)) is the standard deviation of 900 instrumental replicates
| xspike/% | δ(61Ni/62Ni)/‰ | δ(61Ni/62Ni)/‰ | U (δ(61Ni/62Ni))/‰ |
|---|---|---|---|
| Theoretical | Measured | ||
| 0.00 | 0.00 | −0.1514 | 0.0008 |
| 0.01 | 7.87 | 5.136 | 0.028 |
| 0.02 | 15.6 | 19.23 | 0.20 |
| 0.05 | 38.2 | 35.28 | 0.21 |
| 0.10 | 73.5 | 63.96 | 0.50 |
| 0.15 | 106 | 96.63 | 0.43 |
| 1.50 | 545 | 521.0 | 11.0 |
| 2.25 | 643 | 619.0 | 3.3 |
| 20.0 | 945 | 939.8 | 5.1 |
| 50.0 | 980 | 978.9 | 7.3 |
| 90.0 | 991 | 991.1 | 5.1 |
| 100 | 992 | 992.6 | 8.1 |