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  • Title: [A microcalorimeter for assessment of the G-value of a ferrous sulfate solution for high-energy electrons (author's transl)].
    Author: Frost D, Ramshad SM, Plümecke M.
    Journal: Strahlentherapie; 1978 Jan; 154(1):20-4. PubMed ID: 415384.
    Abstract:
    A microcalorimeter with constant ambient temperature has been designed (circa -195 degrees C = temperature of the absorber), which could be utilized with doses from 10 rd upward. The G-value for ferrous sulfate was assessed by means of comparison measurements with the calorimeter and a Fricke-dosimeter, using two different electron energies. The G-value at 24.8 MeV amounted to 15.64 +/- 0.14 ions/100 eV and at 38.8 MeV, to 15.60 +/- 0.13 ions/100 eV.
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