Dose Course Book

Water equivalence for: Solid water (RMI-457) and Lucite (PMMA)

RMI-457

6 & 18MV: ~+/-0.5%

Exradin A12

Derivation of formalism to convert ionisation in plastic to dose to water

Phantom dose conversion factor

Jan Seuntjens etal, 2005, Med.Phys. 32 pp2945-

0.615

0.737 TPR2010

0.669

PMMA

6MV ~-4%

18MV ~-2%