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Comparison of the ICP-MS results of the natural and mass 167 separated samples (1A, 2B, and 3A).
| Samples | 166Er/167Er | 168Er/167Er | 170Er/167Er |
|---|---|---|---|
| natEr2O3 | 1.4650 (3) | 1.1797(1) | 0.6520 (2) |
| 1A | 0.00097 (4) | 0.00105 (3) | 0.00034 (2) |
| 2B | 0.0052 (2) | 0.0060 (1) | 0.0022 (1) |
| 3A | 0.00141 (8) | 0.00202 (6) | 0.00058 (3) |
Errors given as 95% confidence interval.
