Sample | Irradiation time (sec) | Dose (mGy) |
1 | 0 | 0.00 ± 0.00 |
2 | 55 | 0.24 ± 0.01 |
3 | 95 | 0.40 ± 0.02 |
4 | 138 | 0.60 ± 0.03 |
5 | 186 | 0.80 ± 0.04 |
6 | 235 | 1.02 ± 0.05 |