Combined SEM/EDX and micro-Raman spectroscopy analysis of uranium minerals from a former uranium mine

被引：40

作者：

Stefaniak, Elzbieta A. ^{[1
,2
]}

Alsecz, Anita ^{[3
]}

Frost, Ray ^{[4
]}

Mathe, Zoltan ^{[5
]}

Sajo, Istvan E. ^{[6
]}

Torok, Szabina ^{[3
]}

Worobiec, Anna ^{[1
]}

Van Grieken, Rene ^{[1
]}

机构：

[1] Univ Antwerp, Dept Chem, BE-2610 Antwerp, Belgium

[2] Catholic Univ Lublin, Dept Chem, PL-20718 Lublin, Poland

[3] Hungarian Acad Sci, KFKI Atom Energy Res Inst, H-1525 Budapest, Hungary

[4] Queensland Univ Technol, Sch Phys & Chem Sci, Inorgan Mat Res Program, Brisbane, Qld 4001, Australia

[5] Mecsek Ore Environm, H-7614 Pecs, Hungary

[6] Hungarian Acad Sci, Chem Res Ctr, H-1025 Budapest, Hungary

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2009年 / 168卷 / 01期

关键词：

Uranium minerals; Uranyl ion; Uranium mine; Micro-Raman spectroscopy; SEM/EDX; MOLECULAR-STRUCTURE; ZIPPEITE; UO2; SEM;

D O I：

10.1016/j.jhazmat.2009.02.057

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Samples of the secondary uranium minerals collected in the abandoned uranium mine at Pecs (Hungary) were investigated by two micro-techniques: scanning electron microscopy (SEM/EDX) and micro-Raman spectroscopy (MRS). They were applied to locate U-rich particles and identify the chemical form and oxidation state of the uranium compounds. The most abundant mineral was a K and/or Na uranyl sulphate (zippeite group). U(VI) was also present in the form showing intensive Raman scattering at 860 cm(-1) which can be attributed to uranium trioxide. This research has shown the successful application of micro-Raman spectroscopy for the identification of uranyl mineral species on the level of individual particles. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：416 / 423

页数：8

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