research centers


Search results: Found 2

Listing 1 - 2 of 2
Sort by

Article
Radium Isotopes Levels in Drinking-Water Samples

Authors: S.A. Amin --- A.A. Jassim
Journal: Engineering and Technology Journal مجلة الهندسة والتكنولوجيا ISSN: 16816900 24120758 Year: 2017 Volume: 35 Issue: 1 Part (B) Scientific Pages: 46-49
Publisher: University of Technology الجامعة التكنولوجية

Loading...
Loading...
Abstract

Water is one of the most necessary substances on earth. In order to survive, all plants, animals and humans must drink water, and there is no life on earth if there is no water. Hence, water should be uncontaminated with any type of carcinogenic materials such as heavy metals, radioactivity or other pollutants and must be clear. In this work, drinking-water samples were examined and analyzed for radionuclide levels using NaI gamma spectrometer, as well as, estimated annual effective dose (AED) has been calculated. The values of 226Ra, 228Ra and 40K levels range from (0.12-0.35)Bq.L-1, (0.09-0.16)Bq.L-1 and (31.66-49.25)Bq.L-1, with mean values 0.29, 0.12 and 43.39 Bq.L-1, respectively. The total estimated annual effective dose gained from the combined ingestion of radium isotopes is found to start from 0.07 mSv.y-1 to 0.14 mSv.y-1 with an average value of 0.12 mSv.y-1. Therefore, the total (AED) for all samples is below the world standard value of 1mSv.y-1. Hence, drinking water is considered safe from the radiological point view and does not cause any significant health hazard for Baghdadi inhabitants.


Article
Radon Level Measurements in Soil and Sediments at Oil Field Area and Its Impact on the Environment

Authors: S.A. Amin --- A.H. Al-Obiady --- A. Alwan
Journal: Engineering and Technology Journal مجلة الهندسة والتكنولوجيا ISSN: 16816900 24120758 Year: 2017 Volume: 35 Issue: 1 Part (B) Scientific Pages: 1-7
Publisher: University of Technology الجامعة التكنولوجية

Loading...
Loading...
Abstract

Radon concentration, radium content, uranium concentration and rates of radon exhalation as a function of mass and area in 10 soil and 5 water sediment samples collected from one of the oil fields in Basrah governorate southern Iraq using CR-39 SSNTD were measured. Obtained results of radon concentrations range from 434.67 Bq.m-3 to 1947.99 Bq.m-3 with mean value of 985.26 Bq.m-3 and from 61.18 Bq.m-3 to of 2237.77 Bq.m-3 with mean value of 1215.16 Bq.m-3 in sediment and soil samples, respectively. The values of radium content for sediment and soil samples extended from 1.96 Bq.kg-1 to 9.75 Bq.kg-1, with an average value of 4.45 Bq.kg-1 and from 0.28 Bqkg-1 to 10.11 Bq.kg-1 with mean value of 5.49 Bqkg-1, respectively. Uranium concentration in ppm was calculated and its values were found to range from 0.36 to 13.07 ppm, which are comparable with different places around the world. The mass and surface radon exhalation rates vary from 0.079 Bqkg-1h-1 to 2.88 Bqkg-1h-1 with a mean value of 1.41 Bqkg-1h-1, and from 1.37 Bqm-2h-1 to 49.98 Bqm-2h-1 with a mean value of 24.47 Bqm-2h-1, respectively. Radium content is observed to be positively correlated with uranium concentration and with rates of radon exhalation in the study area, respectively.

Listing 1 - 2 of 2
Sort by
Narrow your search

Resource type

article (2)


Language

English (2)


Year
From To Submit

2017 (2)