DefinitionThis section has been translated automatically.
Unit of ion dose (R). It corresponds to a quantity of radiation that produces 2 times109 ion pairs in 1.293 mg (= 1 cm3) of air. This quantity of ions can transport a charge from an electrostatic unit (= 3.33 times 10-10 coulombs), unit: coulomb/kg. For soft tissue, 1 R applies about 1 approx.
Prof. Dr. med. Peter Altmeyer