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Determination of the rare-earth elements in phosphate rocks using both inductively coupled plasma atomic emission spectrometry and instrumental neutron activation analysis

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Abstract

Rare earth elements have been determined in Syrian phosphate rocks by two methods: inductively coupled plasma atomic emission spectrometry following a cation separation, and instrumental neutron activation analysis using both short and long irradiation periods. The results from the two methods agree in most cases apart from Ce, Lu, Nd and Sm. Despite the absence of reliable reference materials, we believe the emission spectrometry technique to be the more accurate.

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Author notes

  1. R. Al-Merey

    Present address: Atomic Energy Commission, P.O. Box 6091, Damascus, Syria

  2. H. J. M. Bowen

    Present address: , West Down, West Street, Winterborne Kingston, DT11 9AT, Blandford, Dorset, U.K.

Authors and Affiliations

  1. Department of Chemistry, University of Reading, Whiteknights, RG6 2AD, Reading, U.K.

    R. Al-Merey & H. J. M. Bowen

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  1. R. Al-Merey
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Al-Merey, R., Bowen, H.J.M. Determination of the rare-earth elements in phosphate rocks using both inductively coupled plasma atomic emission spectrometry and instrumental neutron activation analysis. Journal of Radioanalytical and Nuclear Chemistry Letters 153, 221–234 (1991). https://doi.org/10.1007/BF02176877

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  • DOI: https://doi.org/10.1007/BF02176877

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