| Sample | Number of carbon atom | k [min−1] | R2 |
| Adipic acid | 6 | 0.00281 | 0.975 |
| Maleic acid | 4 | 0.00516 | 0.987 |
| Fumaric acid | 4 | 0.00544 | 0.999 |
| Oxalic acid | 2 | 0.0115 | 0.983 |
| Formic acid | 1 | 0.0172 | 0.955 |