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The study focuses on the measurement and analysis of beta activity concentrations in food products and pharmaceutical preparations with storage durations ranging from 2 months to 10 years. Measurements were performed using the beta spectrometer “SPUTNIK” with a scintillation detector. The results indicated that the highest concentration of beta activity was observed in the paracetamol sample S5, with a value of 310.25 ± 46.54 Bq/m3, while the lowest value was recorded in the flour-based product sample S10, at 36.88 ± 5.53 Bq/m3. Trends were identified showing an increase in specific beta activity with increasing storage time (T, in years) for various product categories: Cereal products: Aβ(BG) = 6.85·T + 74.61; Granulated tea: Aβ(Tea) = 21.291·T + 224.13; Acetylsalicylic acid: Aβ(AA) = 13.57·T + 53.82. An assessment of the contribution of long-lived beta-emitting radionuclides showed that the levels of Pb-210 and Bi-210 in the samples did not exceed the permissible limits established by the sanitary regulations of the Republic of Kazakhstan: 0.12 Bq/kg for Po-210 and 0.2 Bq/kg for Pb-210.

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Accumulation of Beta Activity in Food Products and Pharmaceuticals During Long-Term Storage

  • 会议论文

  • 发表日期：

    2026年

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  • Yuliya Zaripova,
  • Zarema Biyasheva,
  • Alexandr Yushkov

摘要

The study focuses on the measurement and analysis of beta activity concentrations in food products and pharmaceutical preparations with storage durations ranging from 2 months to 10 years. Measurements were performed using the beta spectrometer “SPUTNIK” with a scintillation detector. The results indicated that the highest concentration of beta activity was observed in the paracetamol sample S5, with a value of 310.25 ± 46.54 Bq/m3, while the lowest value was recorded in the flour-based product sample S10, at 36.88 ± 5.53 Bq/m3. Trends were identified showing an increase in specific beta activity with increasing storage time (T, in years) for various product categories: Cereal products: Aβ(BG) = 6.85·T + 74.61; Granulated tea: Aβ(Tea) = 21.291·T + 224.13; Acetylsalicylic acid: Aβ(AA) = 13.57·T + 53.82. An assessment of the contribution of long-lived beta-emitting radionuclides showed that the levels of Pb-210 and Bi-210 in the samples did not exceed the permissible limits established by the sanitary regulations of the Republic of Kazakhstan: 0.12 Bq/kg for Po-210 and 0.2 Bq/kg for Pb-210.