Determination of elemental concentrations of radionuclides in Turkish bentonite and calculation of radiogenic heat generation.

Autor: Turhan, Ş., Metin, O., Hançerlioğulları, A., Kurnaz, A., Duran, C.
Předmět:
Zdroj: International Journal of Environmental Analytical Chemistry; Dec2024, Vol. 104 Issue 18, p6286-6295, 10p
Abstrakt: Bentonite containing smectite group clay minerals is an industrial raw material with a wide range of uses. In this study, the concentration of uranium, thorium, and radioactive potassium in ninety bentonite samples collected from quarries in Turkey was determined using an energy-dispersive X-ray fluorescence spectrometer. The concentrations of uranium, thorium and potassium varied from 0.4 to 18.2 with an average of 4.3 mg/kg, 5.4 to 53.4 with an average of 22.7 mg/kg and 0.3 to 3.4 with an average of 1.4 mg/kg, respectively. The radiogenic heat generation caused by the ionising radiation emitted from these radioactive elements in bentonite samples was calculated in the range of 0.9 to 6.6 µW/m3 with an average of 2.8 µW/m3. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index