Abstract
Diatomaceous earth is a natural material used in the food and beverage industry for filtration. In this paper, the radioactivity analyses and radiological risk estimation for 73 DE samples were conducted. The activity concentration of 226Ra, 232Th, and 40K was found to be in the range (5–164) Bq kg−1, (2–120) Bq kg−1, (19–1480) Bq kg−1, respectively. Absorbed gamma doses were in the range (8–172) nGy h−1. The total annual effective dose for workers was found to be in the range (0.011–0.217) mSv. Results indicate there is no particular radiation risk for workers and the public.
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Acknowledgements
The authors gratefully acknowledge the financial support of the Ministry of Science, Technological Development and Innovation of the Republic of Serbia, Grant No. 451-03-47/2023-01/200125.
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JKR: Conceptualization, Software, Validation, Investigation, Formal analysis, Writing—original draft. JH: Conceptualization, Methodology, Investigation. DM: Conceptualization, Methodology, Software, Validation. SF: Supervision, Writing—review & editing. KB: Conceptualization, Writing—review & editing. PKc: Investigation, Writing—review & editing. Danijel Velimirovic: Investigation, Validation, Writing—review & editing.
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Radic, J.K., Hansman, J., Mrdja, D. et al. Diatomaceous earth: radiological characterization and risk assessment. J Radioanal Nucl Chem 332, 3227–3234 (2023). https://doi.org/10.1007/s10967-023-09018-9
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DOI: https://doi.org/10.1007/s10967-023-09018-9