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|Title:||Concentrations of 214Pb, 214Bi in 238U series and 208Tl, 228Ac in 232Th series in granite rock in (Kadugli) Sudan|
|Authors:||Alnour, I A|
|Keywords:||Radio-nuclides;Concentrations;Uranium;Thorium Series;Granite Rock;Kadugli|
|Abstract:||A survey study on natural radioactivity of 214Pb, 214Bi in 238U series and 208Tl, 228Ac in 232Th series in granite rock collected from the state of southern Kordofan (Kadugli), Sudan has been carried out by using g-ray spectroscopy technique. The gamma-ray spectra have been measured for daughter decaying of 238U and 232Th series. Elemental and activity concentrations were found to be 1.41±0.02 ppm and 17.41±0.19 Bqkg-1 for 214Pb, 1.66±0.02 ppm and 25.60±0.21 Bqkg-1 for 214Bi and 9.56±0.11 ppm and 38.81±0.43 Bqkg-1 for 208Tl, 8.55±0.06 ppm and 34.71±0.23 Bqkg-1for 228Ac, respectively. Moreover, average activity concentrations of these radio-nuclides for granite samples have been compared with the typical values of different countries.|
|ISSN:||0975-1041 (Online); 0019-5596 (Print)|
|Appears in Collections:||IJPAP Vol.50(05) [May 2012]|
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