Natural radioactivity levels and radiological implications in the high natural radiation area of Wadi El Reddah, Egypt

被引：51

作者：

Tawfic, A. F. ^{[1
]}

Zakaly, Hesham M. H. ^{[2
,3
]}

Awad, Hamdy A. ^{[4
,5
]}

Tantawy, Hesham R. ^{[6
]}

Abbasi, Akbar. ^{[7
]}

Abed, Neveen S. ^{[8
]}

Mostafa, Mostafa ^{[2
,9
]}

机构：

[1] Mil Tech Coll, Dept Nucl Engn, Cairo, Egypt

[2] Ural Fed Univ, Inst Phys & Technol, Ekaterinburg 620002, Russia

[3] Al Azhar Univ, Fac Sci, Dept Phys, Assuit Branch, Cairo 71524, Egypt

[4] Southern Fed Univ, Zorge St 40, Rostov Na Donu 344103, Russia

[5] Al Azhar Univ, Assuit Branch, Dept Geol, Fac Sci, Assiut 71524, Egypt

[6] Mil Tech Coll, Dept Chem Engn, Cairo, Egypt

[7] Univ Kyrenia, Fac Engn, Mersin 10, Girne, Turkey

[8] Nucl Mat Author El Kattamiya, Cairo, Egypt

[9] Minia Univ, Dept Phys, Fac Sci, El Minia, Egypt

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2021年 / 327卷 / 02期

关键词：

Wadi El Reddah; Activity concentration; Radiological impacts; Gamma-spectroscopy; NATURALLY-OCCURRING RADIONUCLIDES; FIRED POWER-PLANTS; MARINE-SEDIMENTS; RISK-ASSESSMENT; SPATIAL-DISTRIBUTION; SURFACE SEDIMENTS; DOSE-RATE; REGION; SOIL; K-40;

D O I：

10.1007/s10967-020-07554-2

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Wadi El Reddah, Egypt, is mostly enclosed by scattered exposure to the chronological sequence of a metavolcanic and metagabbro-diorite complex. There are radiological impacts due to internal and external exposure to the high natural background radiation caused by Ra-226, Th-232, and K-40 in the Wadi El-Reddah stream sediments. 72 samples were collected and the activity concentration was measured using a NaI(Tl) gamma-spectroscopy system. The average activity concentration of Ra-226, Th-232 and K-40 was 215 +/- 118 Bq kg(-1), 131 +/- 90 Bq kg(-1) and 822 +/- 125 Bq kg(-1), respectively. Most of the studied samples had a higher activity concentration than the world average.

引用

页码：643 / 652

页数：10

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