Article

239+240Pu concentrations of sediments and seawater in the coastal sea of Korea

Journal of Radioanalytical and Nuclear Chemistry (impact factor: 1.52). 03/2006; 268(1):103-108. DOI:10.1007/s10967-006-0131-8

ABSTRACT The 239+240Pu content of the marine sediments and seawater of the costal sea of Korea was measured. In marine sediments the 239+240Pu concentrations were in the range of 0.11-1.91 Bq/kg dry weight and in the coastal sea of Korea the ratio of 239+240Pu/137Cs was 0.27. The correlations between 239+240Pu and 137Cs concentrations and the content of organic matter (C, O, H, N, S) as well as the grain size of marine sediment were investigated
by regression analysis. The distribution coefficient of 239+240Pu was 1.22. 105. The 239+240Pu concentration in seawater increased with seawater depth. However, the 137Cs concentration in seawater did not change considerably with depth.

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Keywords

137Cs concentration
 
137Cs concentrations
 
coastal sea
 
correlations
 
costal sea
 
distribution coefficient
 
grain size
 
Korea
 
marine sediments
 
organic matter
 
regression analysis
 
seawater
 
seawater depth
 

Xiu-Jing Lin