Problems encountered in a TL and ESR study of natural monohydrocalcite

Debuyst, René;Frechen, M;Idrissi, S.
(2000) 9th International Conference on Luminescence and Electron-Spin Resonance Dating (LED99) — Location: ROME(Italy) (6.September.1999)

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  • Debuyst, RenéUCLouvain
    Author
  • Frechen, M
    Author
  • Idrissi, S.
    Author
Abstract
A natural monohydrocalcite sample from Australia was submitted to gamma -irradiations and analysed by TL and ESR. Spurious TL signals are observed, probably due to the presence of water and organic impurities. TL and ESR dose response curves are presented and discussed. The organic impurities seem responsible for a delay of around 200 Gy in the increase of the TL peaks and the appearance of the ESR carbonate derived radicals (supralinear behaviour). Dating was not possible and no direct correlation exists between the three TL peaks and the ESR signals due to CO3-, CO2- and SO2- radicals. (C) 2000 Elsevier Science Ltd. All rights reserved.
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Debuyst, R., Frechen, M., & Idrissi, S. (2000). Problems encountered in a TL and ESR study of natural monohydrocalcite. Radiation Measurements, 32(5-6), 725-729. https://doi.org/10.1016/S1350-4487(00)00042-1 (Original work published 2000)