No. | The atomic fraction of the isotope carbon-13, calculated by the formula | ||
No. 1 | No. 3 | No. 4 | |
1 | 1.15 | 1.14 | 1.15 |
2 | 1.15 | 1.11 | 1.13 |
3 | 1.16 | 1.15 | 1.11 |
4 | 1.09 | 1.13 | 1.09 |
5 | 1.10 | 1.12 | 1.10 |
6 | 1.10 | 1.12 | 1.09 |
7 | 1.12 | 1.12 | 1.10 |
8 | 1.14 | 1.14 | 1.14 |
9 | 1.10 | 1.14 | 1.12 |
10 | 1.09 | 1.11 | 1.16 |
| 1.11 ± 0.02 | 1.13 ± 0.02 | 1.12 ± 0.02 |