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A preliminary investigation of the operational and isotopic speciation of uranium in sediments

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Abstract

Uranium was determined in extracts of inter-tidal sediment, obtained from a contaminated harbour, using the three-stage sequential extraction procedure recommended by BCR. The element was found mainly in association with reducible, or reducible and oxidisable, phases and the overall concentration was enhanced (up to 6.7 μg g–1 dry weight) with respect to typical, UK levels. The 238U/235U ratio has been measured in digests of stream sediments obtained from the vicinity of a uranium enrichment plant. Significant enhancement in 235U with respect to the natural 238U/235U ratio (137.88:1) was observed at some locations.

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Authors and Affiliations

  1. Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, UK, , , , , , GB

    Susan E. Howe & C. M. Davidson

  2. Scottish Universities Research and Reactor Centre, Rankine Avenue, East Kilbride, G75 0LF, UK, , , , , , GB

    Martin McCartney

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  1. Susan E. Howe
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  2. C. M. Davidson
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  3. Martin McCartney
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Received: 3 August 1998 / Revised: 22 October 1998 / Accepted: 26 October 1998

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Howe, S., Davidson, C. & McCartney, M. A preliminary investigation of the operational and isotopic speciation of uranium in sediments. Fresenius J Anal Chem 363, 582–584 (1999). https://doi.org/10.1007/s002160051252

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  • DOI: https://doi.org/10.1007/s002160051252

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