| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10716451 | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment | 2005 | 7 Pages |
Abstract
We describe a procedure to measure the isotopic ratio 234U/238U in liquid samples. This method combines an extractive technique, liquid scintillation counting with α/β discrimination and a fit procedure of α ADC spectra. Its main advantages are: high detection efficiencies for α emissions, energy sensitivity, rapid and easy preparation of the samples. This makes the technique suitable for environmental survey. We tested the method on a wide set of NBS standards, considering 235U enrichments up to 5% (the maximum value allowed for civil uses). Results on samples collected on field were validated by a comparison with ICP mass spectrometry.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Instrumentation
Authors
D. Bianchi, P. Cortese, G. Dellacasa, I. Merlano,