Calcium carbonate as a possible dosimeter for high irradiation doses

Alicia Negron-Mendoza, Roberto M. Uribe, Sergio Ramos-Bernal, Claudia Camargo-Raya, Virginia Gomez-Vidales, Kensei Kobayashi

    • 3 Citations

    Abstract

    The aim of this work is to analyze the interactions of 5. MeV electron beam radiation and a 290. MeV/u Carbon beam with calcium carbonate (powder) at 298. K and at different irradiation doses, for the potential use of calcium carbonate as a high-dose dosimeter. The irradiation doses with the electron beam were from 0.015 to 9. MGy, and with Carbon beam from 1.5. kGy to 8. kGy.High-energy radiation induces the formation of free radicals in solid calcium carbonate that can be detected and measured by electron paramagnetic resonance (EPR).An increase of the EPR response for some of the free radicals produced in the sample was observed as a function of the irradiation dose. These measurements are reproducible; the preparation of the sample is simple and inexpensive; and the signal is stable for several months. The response curves show that the dosimeter tends to saturate at 10. MGy. Based on these properties, we propose this chemical compound as a high-dose dosimeter, mainly for electron irradiation.

    Original languageEnglish
    Pages (from-to)55-59
    Number of pages5
    JournalApplied Radiation and Isotopes
    Volume100
    DOIs
    StatePublished - 2015 Jun 1

    Fingerprint

    Dosimetry
    Dosimeters
    Calcium carbonate
    Irradiation
    Free radicals
    Paramagnetic resonance
    Electron beams
    Radiation
    Carbon
    Chemical compounds
    Electron irradiation
    Beam plasma interactions
    Powders

    Keywords

    • Calcium carbonate
    • Dose effect
    • EPR
    • High-energy ionizing radiation

    ASJC Scopus subject areas

    • Radiation

    Cite this

    Negron-Mendoza, A., Uribe, R. M., Ramos-Bernal, S., Camargo-Raya, C., Gomez-Vidales, V., & Kobayashi, K. (2015). Calcium carbonate as a possible dosimeter for high irradiation doses. Applied Radiation and Isotopes, 100, 55-59. DOI: 10.1016/j.apradiso.2014.11.024

    Calcium carbonate as a possible dosimeter for high irradiation doses. / Negron-Mendoza, Alicia; Uribe, Roberto M.; Ramos-Bernal, Sergio; Camargo-Raya, Claudia; Gomez-Vidales, Virginia; Kobayashi, Kensei.

    In: Applied Radiation and Isotopes, Vol. 100, 01.06.2015, p. 55-59.

    Research output: Contribution to journalArticle

    Negron-Mendoza, A, Uribe, RM, Ramos-Bernal, S, Camargo-Raya, C, Gomez-Vidales, V & Kobayashi, K 2015, 'Calcium carbonate as a possible dosimeter for high irradiation doses' Applied Radiation and Isotopes, vol 100, pp. 55-59. DOI: 10.1016/j.apradiso.2014.11.024
    Negron-Mendoza A, Uribe RM, Ramos-Bernal S, Camargo-Raya C, Gomez-Vidales V, Kobayashi K. Calcium carbonate as a possible dosimeter for high irradiation doses. Applied Radiation and Isotopes. 2015 Jun 1;100:55-59. Available from, DOI: 10.1016/j.apradiso.2014.11.024

    Negron-Mendoza, Alicia; Uribe, Roberto M.; Ramos-Bernal, Sergio; Camargo-Raya, Claudia; Gomez-Vidales, Virginia; Kobayashi, Kensei / Calcium carbonate as a possible dosimeter for high irradiation doses.

    In: Applied Radiation and Isotopes, Vol. 100, 01.06.2015, p. 55-59.

    Research output: Contribution to journalArticle

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    AU - Negron-Mendoza,Alicia

    AU - Uribe,Roberto M.

    AU - Ramos-Bernal,Sergio

    AU - Camargo-Raya,Claudia

    AU - Gomez-Vidales,Virginia

    AU - Kobayashi,Kensei

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    N2 - The aim of this work is to analyze the interactions of 5. MeV electron beam radiation and a 290. MeV/u Carbon beam with calcium carbonate (powder) at 298. K and at different irradiation doses, for the potential use of calcium carbonate as a high-dose dosimeter. The irradiation doses with the electron beam were from 0.015 to 9. MGy, and with Carbon beam from 1.5. kGy to 8. kGy.High-energy radiation induces the formation of free radicals in solid calcium carbonate that can be detected and measured by electron paramagnetic resonance (EPR).An increase of the EPR response for some of the free radicals produced in the sample was observed as a function of the irradiation dose. These measurements are reproducible; the preparation of the sample is simple and inexpensive; and the signal is stable for several months. The response curves show that the dosimeter tends to saturate at 10. MGy. Based on these properties, we propose this chemical compound as a high-dose dosimeter, mainly for electron irradiation.

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