Preparation of samples for alpha-spectrometry by direct evaporation of extracted species View Full Text


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Article Info

DATE

2010-08-19

AUTHORS

Kamila Šťastná, Vít Fiala, Jan John

ABSTRACT

Because of the energy loss of α-particles by self-absorption, α-spectrometry requires thin, uniform, and nearly weightless samples. Several methods exist for sample preparation, e.g., electrodeposition or co-precipitation. Unfortunately, the methods yielding the best energy resolution are not always quantitative and are usually relatively demanding and time-consuming. This fact makes application of α-spectrometry for screening tests with radiotracers complicated. For its simplicity and fastness, the possibility to prepare samples for α-spectrometry by direct evaporation of simple aliquots of aqueous or organic solutions and the influence of the presence of volatile organic diluent or tensioactive agent was investigated. Also, the influence of coating the samples with Mylar film was evaluated. The sample preparation techniques were compared based on the counting efficiency and energy resolution achieved. The performance of the selected method was tested on assessment of the efficiency of americium extraction by BTBP (bis-triazine-bipyridine) extractant. More... »

PAGES

735-739

References to SciGraph publications

  • 1998-04. Fast source preparation for alpha-spectrometry of uranium and transuranium isotopes in JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
  • 2009-09-02. Determination of Pu isotopes by alpha spectrometry: a review of analytical methodology in JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
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    http://scigraph.springernature.com/pub.10.1007/s10967-010-0733-z

    DOI

    http://dx.doi.org/10.1007/s10967-010-0733-z

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