Bibliographic Details
| Title: |
Gross alpha determination in drinking water using a highly specific resin and LSC |
| Authors: |
Happel, S.1 shappel@eichrom.com, Letessier, P.1, Ensinger, W.2, Eikenberg, J.H.3, Thakkar, A.H.4, Horwitz, E.P.4 |
| Source: |
Applied Radiation & Isotopes. Aug2004, Vol. 61 Issue 2/3, p339-344. 6p. |
| Subjects: |
Drinking water, Alpha rays, Nuclides, Chromatographic analysis |
| Abstract: |
Some results of experiments concerning a new highly specific resin for the extraction of alpha-emitting nuclides from drinking water samples are presented. The product used during these experiments is a new extraction chromatographic resin which consists of a combination of several reagents and extractants supported on inert polymeric substrates, called “Resin” hereafter. It shows strong affinity for Actinides in the tri-, tetra- and hexavalent oxidation state, as well as for radium, even in presence of large amounts of calcium. Gross-alpha activities were determined using α-/β-discrimination liquid scintillation counting (α-/β-LSC) by direct measurement of the dried resin after extraction. Counting conditions were optimised accordingly. A method for the determination of alpha-emitting nuclides in drinking water was developed and tested using intercomparison and spiked drinking water samples. [Copyright &y& Elsevier] |
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| Database: |
Engineering Source |
