Abstract
The elemental concentration of uranium in the samples collected from the ground water and the canal water in the Bathinda district of Punjab state, India, have been investigated using X-ray fluorescence technique. The residues obtained after drying the water samples were analysed using the energy dispersive X-ray fluorescence spectrometer consisting of Mo-anode X-ray tube equipped with selective absorbers as an excitation source and an Si(Li) detector. The uranium concentration values in significant fraction of the shallow ground water samples from the hand pumps is found to be above the permissible level of 15 ppb recommended by World Health Organisation for the drinking water, and its values in the canal water samples are below 5 ppb. To investigate the flyash from the coal-fired thermal power plants as a possible source of ground water contamination, the water samples collected from the surroundings of the power plants and the flyash samples were also analyzed. The results rule out flyash as a source of uranium contamination. Agrochemical processes occurring in the calcareous soils in the region are the favoured potential source of uranium contamination of the ground water.
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The authors acknowledge the Punjab Pollution Control Board and Department of water Supply and Sanitation, Mohali (Punjab) for joint effort in collection of various water samples.
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Alrakabi, M., Singh, G., Bhalla, A. et al. Study of uranium contamination of ground water in Punjab state in India using X-ray fluorescence technique. J Radioanal Nucl Chem 294, 221–227 (2012). https://doi.org/10.1007/s10967-011-1585-x
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DOI: https://doi.org/10.1007/s10967-011-1585-x