Sample | Sample weight (g) | 9Be spike (mg) | AMS ratioa (× 10−12) | Error in AMS ratio (%) | 10Be concentration (× 104 atoms g−1) |
---|---|---|---|---|---|
Lan-1 | 24.44 | 0.199 | 0.020 | 15.9 | 0.95 ± 0.17 |
Lan-2 | 39.59 | 0.200 | 0.056 | 7.7 | 1.80 ± 0.15 |
Lan-5 | 14.98 | 0.199 | 0.028 | 17.6 | 2.24 ± 0.43 |
Lan-10 | 42.61 | 0.201 | 0.045 | 8.2 | 1.33 ± 0.12 |
Lan-11 | 44.95 | 0.201 | 0.136 | 7.1 | 3.97 ± 0.29 |
Lan-12 | 44.49 | 0.198 | 0.040 | 9.0 | 1.11 ± 0.11 |
Lan-13 | 44.95 | 0.201 | 0.087 | 6.3 | 2.51 ± 0.16 |