Concentrations of 238U, 234U, 226Ra, 210Pb, and 210Po in seawater at Thanh Hoa coastal area, Vietnam

被引：0
|
作者：
Bui Chi, Tien [1 ]
Nguyen Tien, Thanh [1 ]
Duong, Van-Hao [2 ]
机构：
[1] Vietnam Geol Dept, Marine Geol & Mineral Div, Hanoi, Vietnam
[2] Vietnam Natl Univ, VNU Sch Interdisciplinary Sci & Arts, Hanoi, Vietnam
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2024年 / 333卷 / 04期
关键词：
Natural radionuclides; Seawater; Titanium placer; Thanh Hoa coastal; SURFACE WATERS; URANIUM; RECOVERY; SEA; EXPORT; OCEAN; RATES;
D O I：
10.1007/s10967-024-09455-0
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Thanh Hoa Coastal was known for many titanium placers and key economic of the estuary area. U-238, U-234, Ra-226, Pb-210, and Po-210 average activities in different sampling stations and depths of seawater at this coast showed 0.77, 0.78, 9.09, 49.8, and 54.3 mBq L-1, respectively. The result showed disequilibrium between 210Po and Pb-210 and different Po-210/Pb-210 ratios by depth. The high Ra-226, U-234, and U-238 activities could relate to titanium placers along coastal and river sediment sources. There was a relation between( 226)Ra and Pb-210 activities with sampling depth, distance from shore, while it was insignificantly recorded for Po-210, 234U, and( 238)U.
引用
收藏
页码：1769 / 1777
页数：9
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