Evaluation of natural radioactivity and radiological hazards associated with Nepalese cement

被引：2

作者：

Shrestha, Arun Kumar ^{[1
,2
]}

Shrestha, Ganesh Kumar ^{[3
]}

Shah, Buddha Ram ^{[4
]}

Koirala, Ram Prasad ^{[5
]}

机构：

[1] Tribhuvan Univ, Damak Multiple Campus, Kathmandu, Nepal

[2] Tribhuvan Univ, Cent Dept Phys, Kathmandu, Nepal

[3] Tribhuvan Univ, Pulchowk Campus, Kathmandu, Nepal

[4] Nepal Acad Sci & Technol, Lalitpur, Nepal

[5] MMAMC Tribhuvan Univ, Biratnagar, Nepal

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2024年 / 333卷 / 06期

关键词：

Activity concentration; Radionuclides; Gamma spectrometer; Correlation matrix; Cement materials; LIFETIME CANCER-RISK; BUILDING-MATERIALS; DRINKING-WATER; SOIL SAMPLES; RADIONUCLIDE; SEDIMENTS; REGION; TH-232; RA-226; K-40;

D O I：

10.1007/s10967-023-09124-8

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This study was undertaken to determine natural radioactivity and potential radiological hazards associated with cement. A NaI (Tl) gamma-ray spectrometer run with gamma vision software was used to analyze the samples. The average value of activity concentrations of 226Ra, 232Th, and 40K were 22.9 +/- 7.7, 27.3 +/- 8.3, and 336.5 +/- 44.9 Bq/kg respectively. These values are well below the global average value for building materials. All the radiological hazard parameters are also lower than the recommended value for safe use. From a radiological point of view, they are therefore suitable for use as building materials.

引用

页码：2821 / 2829

页数：9

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