Table 6 Measured and theoretical kerma coefficients (k, pGy.cm2/photon) of cement pastes modified with Fe3O4 nanoparticles. The experimental error was less than 5%
Energy (keV) | NM0 | NM5 | NM10 | NM15 | NM20 | NM30 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Exp | Theo | Exp | Theo | Exp | Theo | Exp | Theo | Exp | Theo | Exp | Theo | |
80 | 1.29 | 1.17 | 1.38 | 1.26 | 1.41 | 1.37 | 1.46 | 1.47 | 1.49 | 1.58 | 1.57 | 1.80 |
238 | 1.15 | 1.17 | 1.15 | 1.17 | 1.15 | 1.18 | 1.15 | 1.19 | 1.15 | 1.20 | 1.16 | 1.21 |
662 | 3.14 | 3.22 | 3.12 | 3.22 | 3.13 | 3.21 | 3.12 | 3.20 | 3.10 | 3.19 | 3.08 | 3.18 |
911 | 4.16 | 4.28 | 4.14 | 4.27 | 4.14 | 4.26 | 4.13 | 4.24 | 4.09 | 4.23 | 4.11 | 4.21 |
1173.3 | 5.13 | 5.26 | 5.09 | 5.24 | 4.77 | 5.23 | 5.06 | 5.22 | 5.02 | 5.20 | 5.03 | 5.17 |
1332.5 | 5.65 | 5.80 | 5.59 | 5.79 | 5.62 | 5.77 | 5.58 | 5.76 | 5.54 | 5.74 | 5.52 | 5.71 |
2614.0 | 9.34 | 9.51 | 9.17 | 9.50 | 9.28 | 9.48 | 9.26 | 9.46 | 9.23 | 9.44 | 9.21 | 9.40 |