Table 5.
Observed and corrected values of the Br79/Br8l ratio for the reference sample
| Observed ratio | Correction factor | Corrected ratio | |
|---|---|---|---|
| Group I MS-1 | 1.028792 | 0.9990390 | 1.027807 |
| MS-4 | 1. 029592 | .9985416 | 1.028090 |
| Group II MS-1 | 1. 027683 | .9999866 | 1.027669 |
| MS-4 | 1.029675 | .9981807 | 1. 027803 |
| Mean | 1.02784 ±0.00105a | ||
a
Uncertainty components:
95 percent confidence limits on ratio determination ±0. 00051
Possible error in composition of separated isotopes ±0.00033
Possible error in calibration sampies ± 0.00021