Rapid radiochemical sample preparation for alpha spectrometry using polymer ligand films |
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Authors: | Edward R Gonzáles Dominic S Peterson |
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Institution: | (1) Chemistry Division, Los Alamos National Laboratory, Mail Stop K484, Los Alamos, NM 87545, USA; |
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Abstract: | Rapid radioanalytical methods are adversely affected by many different sample-matrix interferences, which make analyzing samples
a difficult and time consuming process. A new method for preparing radioactive samples for analysis by alpha spectrometry
has been demonstrated. In this technique, a selective extractive ligand is immobilized in a polymer film coated on a metal
surface. This polymer ligand film is then used to extract plutonium and other radioactive analytes from solution over a short
period of time. The prepared substrate is then counted directly by alpha spectroscopy in a small single detector alpha spectrometer.
The method has been demonstrated for the analysis of americium and plutonium in liquid samples such as water and urine. |
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