Measurement of natural radioactivity in building materials in Qena city, Upper Egypt.

@article{Ahmed2005MeasurementON,
  title={Measurement of natural radioactivity in building materials in Qena city, Upper Egypt.},
  author={Nour Khalifa Ahmed},
  journal={Journal of environmental radioactivity},
  year={2005},
  volume={83 1},
  pages={
          91-9
        }
}
Building materials cause direct radiation exposure because of their radium, thorium and potassium content. In this paper, samples of commonly used building materials (bricks, cement, gypsum, ceramics, marble, limestone and granite) in Qena city, Upper Egypt have been collected randomly over the city. The samples were tested for their radioactivity contents by using gamma spectroscopic measurements. The results show that the highest mean value of (226)Ra activity is 205+/-83 Bqkg(-1) measured in… CONTINUE READING
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