Use of near infrared spectroscopy for the identification of coffinite and uranothorite

被引：4

作者：

Baron, Fabien ^{[1
]}

Robin, Valentin ^{[1
,2
]}

Beaufort, Daniel ^{[1
]}

Szenknect, Stephanie ^{[3
]}

Dacheux, Nicolas ^{[3
]}

Petit, Sabine ^{[1
]}

机构：

[1] Univ Poitiers, HydrASA, UMR IC2MP 7285, F-86022 Poitiers, France

[2] AREVA, Mines Business Grp, Dept Res & Dev, F-92084 Paris, France

[3] ICSM, UMR CEA CNRS ENSCM UM2 5257, F-30207 Bagnols Sur Ceze, France

来源：

JOURNAL OF NEAR INFRARED SPECTROSCOPY | 2014年 / 22卷 / 02期

关键词：

coffinite; uranothorite; uranium; field spectroscopy; ore deposit; near infrared (NIR); URANIUM; URANINITE; SILICATE; MINERALS; DEPOSIT; THORITE; ZIRCON;

D O I：

10.1255/jnirs.1110

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Near infrared (NIR) spectroscopy was performed on a synthetic coffinite-uranothorite series and natural coffinite. The NIR spectra revealed a characteristic band at 1135 nm, allowing the identification of coffinite-uranothorite minerals within uranium ore environments. These minerals can be identified even in some complex mixtures (host rocks containing coffinite and several infrared reactive minerals such as clay minerals) or samples with low structural uranium amounts (e.g. Th0.8U0.2SiO4). Well-resolved on field spectra, the 1135 nm band could be used as a powerful tool for uranium ore exploration.

引用

页码：149 / 152

页数：4

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