No. | The atomic fraction of the isotope carbon-13, calculated by the formula | |
No. 8 | No. 4 | |
1 | 1.13 | 1.75 |
2 | 1.12 | 1.81 |
3 | 1.10 | 1.90 |
4 | 1.12 | 1.82 |
5 | 1.10 | 1.81 |
6 | 1.13 | 1.75 |
7 | 1.14 | 1.78 |
8 | 1.10 | 1.83 |
9 | 1.12 | 1.84 |
10 | 1.13 | 1.76 |
| 1.12 ± 0.02 | 1.81 ± 0.04 |