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Information Journal Paper

Title

Dose assessment to members of the pulic in Tunisia from intakes of some naturally occurring radionuclides in bottled mineral water

Pages

  371-381

Abstract

 Background: Total α-and β-as well as radium isotopes (226Ra, 228Ra) and uranium isotopes (234U, 238U) ac vity concentra ons were determined in six most popular Tunisian bo"led mineral waters samples. Materials and Methods: Total alpha/beta ac vity was measured by background gas-flow propor onal coun ng system, and the ac vity concentra ons of uranium were studied by radiochemical separa on procedures followed by alpha spectrometry and that of radium isotopes by gamma-ray spectrometry. Materials and Methods: The total-a ac vity ranged from 48 to 94 mBq L− 1 and the total-b ac vity between 45 and 430 mBq L− 1. The ac vity concentra ons of 238U, 234U, 226Ra and 228Ra in water samples varied in range 3. 3-22. 5 mBq. L− 1, 4. 0-34. 2 mBq L− 1, 2. 0-67. 0 mBq L− 1 and 2. 0-30. 2 mBq L− 1, respec vely. These values are comparable with those reported for many other countries in the world for different types of water. The 234U/238U ac vity ra o were found to be higher than 1 in all cases. Results: Based on the ac vity concentra on results obtained in this study, the es mated annual inges on dose rates for three different age groups (< 1 year, 7-12 years, and > 17 years) due to the inges on of radium and uranium isotopes through drinking water are lower than the limit of intake prescribed by WHO. The annual doses exceed the recommended value of 0. 1 mSv y-1 in one case for age group < 1 year. Conclusion: According Based on the ac vity concentra on results obtained in this study, the es mated annual inges on dose rates for three different age groups (< 1 year, 7-12 years, and > 17 years) due to the inges on of radium and uranium isotopes through drinking water are lower than the limit of intake prescribed by WHO. The annual doses exceed the recommended value of 0. 1 mSv y-1 in one case for age group < 1 year.

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    • References

    Cite

    APA: Copy

    . (2018). Dose assessment to members of the pulic in Tunisia from intakes of some naturally occurring radionuclides in bottled mineral water. INTERNATIONAL JOURNAL OF RADIATION RESEARCH, 16(3), 371-381. SID. https://sid.ir/paper/286752/en

    Vancouver: Copy

    . Dose assessment to members of the pulic in Tunisia from intakes of some naturally occurring radionuclides in bottled mineral water. INTERNATIONAL JOURNAL OF RADIATION RESEARCH[Internet]. 2018;16(3):371-381. Available from: https://sid.ir/paper/286752/en

    IEEE: Copy

    , “Dose assessment to members of the pulic in Tunisia from intakes of some naturally occurring radionuclides in bottled mineral water,” INTERNATIONAL JOURNAL OF RADIATION RESEARCH, vol. 16, no. 3, pp. 371–381, 2018, [Online]. Available: https://sid.ir/paper/286752/en

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