Maxwell, O. and Wagiran, H. and Ibrahim, N. and Lee, S. K. and Embong, Z. and Ugwuoke, P. E. (2015) Natural radioactivity and geological influence on subsurface layers at Kubwa and Gosa area of Abuja, Northcentral Nigeria. Journal Of Radioalytical And Nuclear Chemistry, 303 (1). pp. 821-830. ISSN 2365-731
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Official URL: http://dx.doi.org/10.1007/s10967-014-3442-1
Abstract
he concentration of 238U, 232Th and 40K in rock samples were analysed using gamma ray spectrometry. In Kubwa, the concentration ranges from 15 to 52 Bq kg−1 for 238U, 32 to 84 Bq kg−1 for 232Th and 119 to 705 for 40K Bq kg−1. In Gosa area, the concentration of 238U ranges from 23 to 30 Bq kg−1, 232Th varied from 48 to 76 Bq kg−1, and 40K varied from 438 to 820 Bq kg−1. The dose rate, radium equivalent activity and annual effective dose rate at Kubwa and Gosa were calculated and compared with international standard values.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Abuja boreholes, geology, radionuclides |
| Subjects: | Q Science > QC Physics |
| Divisions: | Science |
| ID Code: | 58629 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 04 Dec 2016 04:07 |
| Last Modified: | 12 Sep 2021 04:44 |
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