Determination of Radionuclide Concentrations, Hazard Indices and Physiochemical Parameters of Water, Fishes and Sediments in River Kaduna, Nigeria
Journal Title: IOSR Journal of Applied Chemistry (IOSR-JAC) - Year 2018, Vol 11, Issue 1
Abstract
The radionuclide concentrations in fishes, water and sediments were analyzed using the (NaI) gamma-ray spectrophotometer and from the activity concentrations their radiological health hazard indices were mathematical computed and the physiochemical parameters of River Kaduna, Nigeria were also carried out. The result of the physiochemical parameters analysed in the river showed that BOD had mean value of 0.070mg/L ± 0.003, COD mean value was 3.84 ± 0.07mg/L, TSS obtained was 0.018 mg/L ± 0.023, Conductivity and TDS mean results were 0.380 ± 0.001 mS/cm and 0.18 ± 0.026 mg/L respectively while the pH and temperature were 6.70 ± 0.01 and 24.00 ± 0.040C respectively. The results of the samples analysed showed that the activity concentrations of 226Ra in fishes was 3.83±0.44 Bq/Kg, in water was 29.85±0.32 Bq/L and in sediments was 23.97±1.60Bq/Kg. 40K was 149.78±5.041 Bq/Kg, 32.18±0.322 Bq/L, 52.61±0.965 Bq/Kg for fish, water, sediment respectively. 232Th was 11.4025±0.9437 Bq/Kg, 68.53±0.0786 Bq/Kg, 15.57±0.4325 Bq/L for fishes, sediment and water respectively. Radium equivalent dose, absorbed dose rate and annual gonad equivalent dose mean results were 70.76Bq/Kg, 31.62nGyh-1 and 217.01mSvyr-1 respectively. Internal and external hazard mean indices were 0.24 and 0.19 respectively. However, the results are below the control samples obtained. This showed that the water, fishes and sediments are within the ICRP/UNSCEAR standards and minimal or no anthropological radiological degradation.
Authors and Affiliations
Adetutu Oluwakemi Aliyu, Abdulkadir Yakubu, Olawuyi Olusola Ajagbe
Keywords
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- EP ID EP413943
- DOI 10.9790/5736-1101012834.
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