k0 - naa法测定阿尔及利亚膨润土中的稀土元素

IF 1.4 3区化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Radiochimica Acta Pub Date : 2023-11-07 DOI:10.1515/ract-2023-0210

Lylia Hamidatou, Fahd Arbaoui, Radji Chahra, Hocine Slamene, Kamel Djebli, Mohamed Nadir Boucherit

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引用次数: 0

摘要

本文研究了用k0 -NAA法测定阿尔及利亚膨润土中Mos和Mag的稀土元素。测定了稀土元素Ce、Nd、La、Sc、Sm、Yb、Tm、Ho、Tb、Eu、Lu等11种稀土元素。结果表明，Mos中的总轻稀土(LREE) (168 ppm)高于Mag (68.5 ppm)。此外，镁和钼的总轻稀土元素(LREE)与总重稀土元素(HREE)之比分别为6.40和27.6，表明钼比镁更富稀土元素。Ce和Eu分别对应两种膨润土中稀土元素的最高和最低痕量。Sc、Tb和Ho的浓度在两种材料中是相当的。所有结果与文献中La, Sc, Ce, Nd, Sm和Yb的数据进行了比较。本研究讨论了LREE与THREE的数量和比例。

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Determination of rare earth elements in Algerian bentonites using k ₀-NAA method

Abstract This work focused the determination of the rare earth elements (REE) in Algerian bentonites named Mos and Mag using k 0 -NAA method. Eleven rare earth elements such as Ce, Nd, La, Sc, Sm, Yb, Tm, Ho, Tb, Eu and Lu were determined. Results revealed that the total light REE (LREE) in Mos (168 ppm) is higher than in Mag (68.5 ppm). In addition, the ratio of total LREE (LREE) to the total heavy rare earth elements (HREE) found to be 6.40 in Mag and 27.6 in Mos which indicates that Mos is highly rich with REE than Mag. Ce and Eu correspond to the highest and lower trace of REE in both bentonites, respectively. The concentration of Sc, Tb and Ho are comparable in two materials. All results are compared with other data of literature in terms of La, Sc, Ce, Nd, Sm and Yb. Amounts and the proportion of LREE comparing to THREE are discussed in this study.

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来源期刊

Radiochimica Acta 化学-核科学技术

CiteScore

2.90

自引率

16.70%

发文量

审稿时长

6 months

期刊介绍： Radiochimica Acta publishes manuscripts encompassing chemical aspects of nuclear science and technology.