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Studying Concentrations of Radionuclides in the Soil of Taza Khurmato - Kirkuk Governorate Using High Purity Germanium Detector | ||
| Journal of University of Anbar for Pure Science | ||
| Article 22, Volume 12, Issue 1, 2018, Pages 112-121 PDF (632.08 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.37652/juaps.2022.171668 | ||
| Author | ||
| easam ali semeen* | ||
| college of education university of tikrit | ||
| Abstract | ||
| The study included the evaluation of the level of normal and industrial natural radiation activity of soil samples using the spectroscopy technique of the high purity germanium detector. 10 soil samples were collected at a depth of 10 cm from the city of Taza Khurmato and its suburbs of Kirkuk Governorate. It was found that the Specific Activity Concentration which is measured by Bq.kg-1 for Thorium 234T, Radium 226Ra, Lead 214Pb, Protactinium 234Pa, Lead 212Pb, Actinium 228Ac, Cesium 137C and Potassium 40K in the studied models ranged between ( B.D.L - 65±17.2) at a rate of (7.46±2.02), (22.2±3.9 - 41.8±9.3) at a rate of (28.88±5.35), (10.2±0.9 - 14.6±2.6) at a rate of (12.24±1.37), (B.D.L - 46.2±4.5) at a rate of (11.58±1.26), (5.7±1.2 - 12.4±1.2) at a rate of (9.11±0.88), (8.2±0.6 - 13±1.6 ) at a rate of (10.46±1.81), (B.D.L - 5.6±1.2) at a rate of (1.94±0.34), (160±11.2 - 264.6±14.4) at a rate of (206.5±17.65). respectively. All these values are globally admissible and do not affect human health or the environment. As well as calculating the Radium Equivalent (74.728 – 46.246)Bq.kg-1, the Activity Concentration Index (0.534-0.336), the Internal Hazard Indices (0.312-0.184), the External Hazard Indices (0.201-0.124) , the values of Absorbed Dose Rate in Air (35.21-22.02)nGy.kg-1, the values of Internal Annual Effective Dose Equivalent (0.172-0.108)mSv.y-1, the values of External Annual Effective Dose Equivalent (0.0431-0.027)mSv.y-l, Excess Lifetime Cancer Risk (0.151-0.094)*10-3, External Annual Effective Dose (0.332-0.207)mSv.y-1. After balancing the results obtained with the global results, we found that the levels of radiation for samples studied were lower than their corresponding allowed limits. | ||
| Keywords | ||
| النویدات المشعة; کاشف جرمانیوم عالی النقاوة; تازة خورماتو; رادیوم | ||
| References | ||
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