|Radioisotopes||137Cs, 134Cs, 239,240Pu, 241Am, 228Th, 230Th|
This method specifies the minimum requirements and laboratory methods for the measurement of Cs, Th, 239,240Pu, 241Am (transuranics) in sediments (Anderson and Fleer, 1982). This is a multi-day laboratory schedule that can be simplified considerably if only one radionuclide must be measured. The final step for several radionuclides involves electroplating a thin source on counting disks and detection by spectrometric methods. For details on plating and radioanalytical methods, refer to other recipes.
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