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Leaching rare-earth and radioactive elements from alkaline rocks of the Lovozero Massif, Kola Peninsula

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Abstract

The paper presents data on the leaching efficiency of rare-earth (La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu) and radioactive (Th and U) elements by various reagents from alkaline rocks of the Lovozero Massif. Element concentrations were analyzed by ICP-MS and instrumental neutral activation (INAA). A new complex technique is suggested for analyzing elements on the solid phase of polymer hydrogels. This technique makes it possible to enhance the sensitivity and selectivity of INAA when these elements are simultaneously contained in rocks. Data are presented on the selective leaching of trace elements and the application of environmentally safe reagents.

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Authors and Affiliations

  1. Osip’yan Institute of Experimental Mineralogy, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia

    V. N. Ermolaeva

  2. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, ul. Kosygina 19, Moscow, 119991, Russia

    A. V. Mikhailova, L. N. Kogarko & G. M. Kolesov

Authors
  1. V. N. Ermolaeva
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  2. A. V. Mikhailova
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  3. L. N. Kogarko
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  4. G. M. Kolesov
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Correspondence to V. N. Ermolaeva.

Additional information

Original Russian Text © V.N. Ermolaeva, A.V. Mikhailova, L.N. Kogarko, G.M. Kolesov, 2016, published in Geokhimiya, 2016, No. 7, pp. 651–658.

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Ermolaeva, V.N., Mikhailova, A.V., Kogarko, L.N. et al. Leaching rare-earth and radioactive elements from alkaline rocks of the Lovozero Massif, Kola Peninsula. Geochem. Int. 54, 633–639 (2016). https://doi.org/10.1134/S001670291607003X

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  • DOI: https://doi.org/10.1134/S001670291607003X

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