224Ra and the 224Ra/228Ra activity ratio in selected mineral waters from the Polish Carpathians

• Autorzy: Nguyen C. D. , Rajchel L. , Van-Duong H. , Nowak J.

Identyfikatory

DOI

10.7306/gq.1365

• Języki publikacji: EN

Abstrakty

EN

Mineral and therapeutic waters widely occurring in the Polish Carpathians contain a vast amount of biogenic elements. However, radioactive elements like radium isotopes are also found in these waters. This paper presents the first results of the activity concentration measurements of ²²⁴Ra in selected mineral waters of the Polish Carpathians. Additionally, the content of 226Ra and ²²⁸Ra, and the activity ratios of ²²⁴Ra/²²⁸Ra, ²²⁴Ra/²²⁶Ra and ²²⁶Ra/²²⁸Ra in the waters were determined. The work was based on a method for the simultaneous determination of ²²⁴Ra, ²²⁶Ra and ²²⁸Ra in water samples using the a/b liquid scintillation spectrometer. The results show that the activity concentrations of ²²⁴Ra, ²²⁶Ra and ²²⁸Ra in the mineral waters are comparable and vary from ca. 220 mBq/L to above 1500 mBq/L. The activity ratios of ²²⁴Ra/²²⁸Ra, ²²⁴Ra/²²⁶Ra and ²²⁶Ra/²²⁸Ra are variable within the ranges of 0.68 to 1.48, 0.65 to 1.48, and 0.78 to 2.05, respectively. The committed effective dose resulting from the intake of ²²⁴Ra through the water consumption is far lower than that from ²²⁶Ra and ²²⁸Ra.

Słowa kluczowe

EN

Ra-224; radium; mineral waters; effective dose; LSC method

• Wydawca: Państwowy Instytut Geologiczny - Państwowy Instytut Badawczy
• Czasopismo: Geological Quarterly
• Rocznik: 2017
• Tom: Vol. 61, No. 4
• Strony: 771--778
• Opis fizyczny: Bibliogr. 33 poz., tab., rys., wykr.

Twórcy

autor

Nguyen C. D.

• AGH University of Science and Technology, Faculty of Geology, Geophysics and Environmental Protection, al. A. Mickiewicza 30, 30-059 Kraków, Poland

autor

Rajchel L.

• AGH University of Science and Technology, Faculty of Geology, Geophysics and Environmental Protection, al. A. Mickiewicza 30, 30-059 Kraków, Poland

autor

Van-Duong H.

• Hanoi University of Mining and Geology, Faculty of Oil and Gas, Vietnam

autor

Nowak J.

• AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, al. A. Mickiewicza 30, 30-059 Kraków, Poland

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).