Dosimetry and Medical Radiation Physics
X-ray Radiation Qualities Available in the IAEA's Dosimetry Laboratory
ISO 4037 Narrow beam series (radiation protection level)
| Quality No. | Generating Potential |
Added Filtration [mm] | HVL [mm] | ||||
| [kV] | Al | Cu | Sn | Pb | Al | Cu | |
| N40 | 40 | 1.00 | 0.22 | - | - | 2.70 | - |
| N60 | 60 | 1.00 | 0.59 | - | - | - | 0.24 |
| N80 | 80 | 1.00 | 1.85 | - | - | - | 0.59 |
| N100 | 100 | 1.00 | 5.30 | - | - | - | 1.15 |
| N120 | 120 | 1.00 | 5.00 | 1.00 | - | - | 1.74 |
| N150 | 150 | 1.00 | - | 2.50 | - | - | 2.40 |
| N200 | 200 | 1.00 | 2.00 | 3.00 | 1.00 | - | 4.06 |
| N250 | 250 | 1.00 | - | 3.0 | 2.50 | - | 5.21 |
| N300 | 300 | 1.00 | - | 3.00 | 5.00 | - | 6.19 |
CCEMRI (I) radiation qualities (therapy level)
| Quality No. | Generating Potential |
Added Filtration [mm] | HVL [mm] | ||
| [kV] | Al | Cu | Al | Cu | |
| T1 | 100 | 0.60 | - | 3.91 | - |
| T2 | 135 | 1.00 | 0.23 | - | 0.50 |
| T3 | 180 | 1.00 | 0.51 | - | 1.03 |
| T4 | 250 | 1.00 | 1.65 | - | 2.5 |
| T8 | 25 | 0.38 | - | 0.24 | - |
| T9 | 30 | 0.22 | - | 0.19 | - |
| T10 | 50 | 4.02 | - | 0.23 | - |
| T11 | 50 | 1.09 | - | 1.06 | - |
| Beam quality Code* | Generating potential [kV] |
Added filtration [mm] |
HVL [mm Al] |
| MoMo-25 | 25 | 0.03 Mo | 0.323 |
| MoMo-28 | 28 | 0.03 Mo | 0.358 |
| MoMo-30 | 30 | 0.03 Mo | 0.376 |
| MoMo-35 | 35 | 0.03 Mo | 0.411 |
| MoMo-25x | 25 | 0.03 Mo + 2 Al | 0.579 |
| MoMo-28x | 28 | 0.03 Mo + 2 Al | 0.615 |
| MoMo-35x | 35 | 0.03 Mo + 2 Al | 0.706 |
*Additional mammography beam qualities are available for Mo anode, MoRh (28 & 32 kV) and for Rh anode, RhRh (25-35kV). Interested SSDLs should contact the IAEA Dosimetry and Medical Radiation Physics Section for additional information.