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226Ra Concentration and 222RnExhalation Rate in Sediments of Euphrates River andSome ItsBranches in Thi-Qar Governorate -Southern Iraq | ||
| Albahir journal | ||
| Article 1, Volume 6, Issue 11, 2017, Pages 95-105 | ||
| Author | ||
| Hayder Abdulwahid Hammood | ||
| Abstract | ||
| Many radionuclides in sediments transference are contributing to global collective doses. Therefore, monitor of the pollution in sediments was used widespread and trace pollution sources. In this study, SSNTDs LR-115 type II are used to provide database about 226Ra concentration and 222Rn exhalation rate in terms of area and mass in sediments of Euphrates river and Its some branches in Thi-Qar governorate. This data can be used as a reference data for future studies and it may be useful for complete radioactivity mapping for Iraq republic. 226Ra concentration in sediments of Euphrates river and its some branches in Thi-Qar governorate varied between (0.742-2.379) Bq/kg with the average value is (1.498) Bq/kg, while the area exhalation rate of 222Rn varied between (62.52- 200.34)mBq.m-2.h-1 with the average value is (126.17) mBq.m-2.h-1, also the mass exhalation rate of 222Rn varied between (5.61-17.97) mBq.kg-1.h-1 with the average value is (11.32) mBq.kg-1.h-1. 226Ra concentration in this study was included the limit recommended by OECD. Also, The results compared with the average of the world and some other studies | ||
| Keywords | ||
| Rn Exhalation Rate; sediment; Euphrates river; SSNTDs | ||
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