Assessing rare earth elements in quartz rich geological samples

Santoro, A. and Thoss, V. and Guevara, S.R. and Urgast, D. and Raab, A. and Mastrolitti, S. and Feldman, J. (2015) Assessing rare earth elements in quartz rich geological samples. Applied Radiation and Isotopes, 107. pp. 323-329. DOI: 10.1016/j.apradiso.2015.10.035

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Sodium peroxide (Na2O2) fusion coupled to Inductively Coupled Plasma Tandem Mass Spectrometry (ICP-MS/MS) measurements was used to rapidly screen quartz-rich geological samples for rare earth element (REE) content. The method accuracy was checked with a geological reference material and instrumental Neutron Activation Analysis (INAA) measurements. The used mass-mode combinations presented accurate results (only exception being Gd-157 in He gas mode) with recovery of the geological reference material QLO-1 between 80% and 98% (lower values for Lu, Nd and Sm) and in general comparable to INAA measurements. Low limits of detection for all elements were achieved, generally below 10 pg g(-1), as well as measurement repeatability below 15%. Overall, the Na2O2/ICP-MS/MS method proved to be a suitable lab-based method to quickly and accurately screen rock samples originating from quartz-rich geological areas for rare earth element content; particularly useful if checking commercial viability.

Item Type: Article
Subjects: Research Publications
Departments: College of Physical and Applied Sciences > School of Chemistry
Date Deposited: 02 Feb 2016 03:26
Last Modified: 02 Feb 2016 03:26
ISSN: 0969-8043
URI: http://e.bangor.ac.uk/id/eprint/6205
Identification Number: DOI: 10.1016/j.apradiso.2015.10.035
Publisher: Elsevier
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