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Concentration of uranium in groundwater and its correlation with the gamma activity of primordial radionuclides in the bedrock samples: A study from northeastern part of Bengaluru city, India

N Nagaiah, Gladys Mathews, MB Karthik Kumar, MR Ambika, N Karunakara, BC Prabhakar
2018 Radiation Protection and Environment  

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The present investigation aims to study the incorporation of uranium from the bedrock to groundwater through leaching. In view of this, rock powder samples were collected in the form of slurry from the bedrock of freshly drilled borewells of the study area. The rock powder and the supernatant were separated. The gamma activity concentrations of primordial radionuclides-238 U ( 226 Ra), 232 Th, and 40 K in the rock powder samples were measured using HP-Ge gamma-ray spectrometer. The supernatant
more » ... as analyzed for the concentration of U nat using laser-induced fluorimeter. A strong positive correlation was observed between the concentration of uranium in the rock powder and the corresponding concentration in the water samples indicating the possible leaching of uranium from the bedrock to groundwater under favorable conditions.
doi:10.4103/rpe.rpe_10_18 fatcat:7ebaoelxyvds3aukrl4i2efrfm
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N Nagaiah, Gladys Mathews, MB Karthik Kumar, MR Ambika, N Karunakara, BC Prabhakar. "Concentration of uranium in groundwater and its correlation with the gamma activity of primordial radionuclides in the bedrock samples: A study from northeastern part of Bengaluru city, India." Radiation Protection and Environment 41.1 (2018)