The use of fricke dosimetry for low energy x-rays

  • Austerlitz C
  • Souza V
  • Villar H
  • et al.
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Abstract

The performance of four X-ray qualities generated in a Pantak X-ray machine operating at 30-100 kV was determined with a parallel-plate ionization chamber and a Fricke dosimeter. X-ray qualities used were those recommended by Deutsch Internationale Normung DIN 6809 and dose measurements were carried out with Plexiglas® simulators. Results have shown that the Fricke dosimeter can be used not only for soft X-ray dosimetry, but also for the maintenance of low-energy measuring systems' calibration factor.Neste trabalho, o dosímetro Fricke foi utilizado para verificação dos rendimentos de quatro qualidades de radiação produzidas por um aparelho de raios-X Pantak de 160 kV com potenciais entre 30 e 100 kV. Para tanto, foram utilizadas as qualidades de radiação recomendadas pela "Deutsh Internationale Normung" DIN 6809. As medidas foram realizadas em simuladores de plexiglas. Os resultados obtidos demonstraram que o dosímetro Fricke pode ser utilizado não apenas para a dosimetria desses equipamentos, mas também, para a manutenção do fator de calibração de sistemas de medidas para baixas energias.

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APA

Austerlitz, C. de, Souza, V., Villar, H. P., & Cordilha, A. (2006). The use of fricke dosimetry for low energy x-rays. Brazilian Archives of Biology and Technology, 49(spe), 17–23. https://doi.org/10.1590/s1516-89132006000200004

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