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A Rapid Extraction Procedure for the Determination of Strontium-90 in Water Samples
Markus Zehringer, Johannes Abraham, Franziska Kammerer, Vlora Syla and Michael Wagmann
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DOI:10.17265/1934-7375/2017.03.006
A beta spectrometric method for the rapid determination of strontium-90 (90Sr) in water samples was developed and tested. 90Sr is extracted directly from the water samples by means of a scintillator cocktail, containing the crown ether dicyclohexano-18-crown-6 as an extracting agent (STRONEX®). Minimal clean-up is necessary when other beta nuclides are present, such as barium-140. These nuclides are eliminated by a barium chromate scavenge, prior to the extraction step. The method presented here allows for the investigation of at least 12 water samples a day and is therefore a suitable tool for emergency analysis.
Strontium-90, beta spectrometry, emergency analysis, STRONEX®
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