Thi Thu Hang Vuong, Trong Ngo Nguyen, Nhu Sieu Le, Dinh Tung Nguyen, Dinh Khoa Tran, Van Phuc Nguyen, Thi Minh Tuyen Le, Tong Thanh Hong Nguyen
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Tritium Activity Concentration Study in Seawater Samples in the Gulf of Tonkin, Vietnam
This work presents measurements of the activity concentration of Tritium (3H) in seawater samples in the Gulf of Tonkin, Vietnam, using electrolytic enrichment and liquid scintillation counting. Three sites were investigated Tra Co (Quang Ninh Province), Bach Long Vi (Hai Phong Province), and Ky Anh (Ha Tinh Province), from December 2018 to October 2020 with six surveys. The ranges of 3H radioactivity in seawater at three sites were 1.25–1.74 TU, 1.12–1.65 TU, and 0.99–1.47 TU, with the average values of 1.47, 1.42, and 1.16 TU respectively. The results of the 3H activity concentrations obtained in the study were in correspondence with the value range of other studies in Vietnam and Asia–Pacific. These values show that the 3H radioactivity in seawater in the survey area is low and mainly generated from natural processes through fallout.
期刊介绍：
The journal Physics of Particles and Nuclei Letters, brief name Particles and Nuclei Letters, publishes the articles with results of the original theoretical, experimental, scientific-technical, methodological and applied research. Subject matter of articles covers: theoretical physics, elementary particle physics, relativistic nuclear physics, nuclear physics and related problems in other branches of physics, neutron physics, condensed matter physics, physics and engineering at low temperatures, physics and engineering of accelerators, physical experimental instruments and methods, physical computation experiments, applied research in these branches of physics and radiology, ecology and nuclear medicine.
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