期刊
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷 314, 期 3, 页码 2209-2218出版社
SPRINGER
DOI: 10.1007/s10967-017-5621-3
关键词
Pu-240/Pu-239; River Rhine; Sediments; Switzerland
We present a new radiochemical procedure for the sequential determination of Sr, Am, Pu, Th and U radionuclides. For the validation, seven IAEA certified reference materials were analyzed for Pu-239, Pu-240, Pu-241, U-238 and Th-232 isotopes by ICP-MS, Am-243 by alpha spectrometry and Sr-90 by low level gas proportional counting. The sequential method was then used for determining the radionuclide profiles in one sediment core collected in the River Rhine, near Augst, downstream of the Swiss nuclear power plants.
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