Table 1 Attenuation measurements of iodine solutions at different iodine concentrations
Iodine concentration [%w/w] | Attenuation value [HU] | ||||
|---|---|---|---|---|---|
Single-energy (120 kVp) | Dual-energy (80 kVp/Sn140 kVp) | Dual-energy (100 kVp/Sn140 kVp) | |||
Mixed | Virtual unenhanced | Mixed | Virtual unenhanced | ||
0.00 | -11.3 ± 1.3 | -10.4 ± 0.1 | -23.0 ± 1.0 | -10.7 ± 0.6 | -21.0 ± 0.6 |
0.06 | -3.9 ± 0.5 | -6.9 ± 0.1 | -26.8 ± 0.9 | -8.0 ± 0.4 | -24.5 ± 1.5 |
0.13 | 4.7 ± 0.5 | 0.1 ± 0.2 | -25.1 ± 0.8 | -1.6 ± 0.4 | -24.1 ± 0.7 |
0.25 | 16.4 ± 0.4 | 11.1 ± 1.1 | -26.6 ± 1.8 | 7.9 ± 0.8 | -25.3 ± 1.1 |
0.50 | 40.5 ± 0.5 | 33.5 ± 0.2 | -25.8 ± 1.1 | 27.2 ± 0.4 | -25.7 ± 1.1 |
1.00 | 91.1 ± 0.4 | 78.5 ± 0.4 | -27.1 ± 1.1 | 65.8 ± 0.6 | -28.4 ± 0.4 |
2.00 | 192.3 ± 0.3 | 168.7 ± 0.3 | -29.1 ± 0.3 | 143.0 ± 0.3 | -32.5 ± 1.3 |
4.50 | 444.1 ± 0.7 | 397.9 ± 0.4 | -28.7 ± 0.3 | 340.1 ± 0.3 | -35.1 ± 1.9 |