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

被引：0
|
作者：
V. N. Ermolaeva
A. V. Mikhailova
L. N. Kogarko
G. M. Kolesov
机构：
[1] Russian Academy of Sciences,Osip’yan Institute of Experimental Mineralogy
[2] Russian Academy of Sciences,Vernadsky Institute of Geochemistry and Analytical Chemistry
来源：
Geochemistry International | 2016年 / 54卷
关键词：
Lovozero Massif; REE; U; Th; leaching; inductively coupled plasma mass spectrometry (ICP MS); instrumental neutron activation analysis (INAA);
D O I：
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学科分类号：
摘要：
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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页码：633 / 639
页数：6
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