Authors:
P. López-de-Alba Universidad de Guanajuato Instituto de Investigaciones Científicas 36 000 Guanajuato Gto. Mexico

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L. López-Martínez Universidad de Guanajuato Instituto de Investigaciones Científicas 36 000 Guanajuato Gto. Mexico

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Katarzyna Wróbel Universidad de Guanajuato Instituto de Investigaciones Científicas 36 000 Guanajuato Gto. Mexico

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Kazimierz Wróbel Universidad de Guanajuato Instituto de Investigaciones Científicas 36 000 Guanajuato Gto. Mexico

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J. Amador-Hernández Universidad de Guanajuato Instituto de Investigaciones Científicas 36 000 Guanajuato Gto. Mexico

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Abstract  

A multivariate calibration method, Partial Least Squares Type 1 (PLS-1), is proposed for simultaneous spectrophotometric determination of uranium and thorium ions as their complexes with arsenazo III in hydrochloric acid medium. Several data characteristics are taking into account in order to minimize the optimum number of factors required for the construction of calibration model, while using various statistical criterions of selection. Finally, the evaluated calibration model is satisfactorily applied to determination of these ions in samples that resemble sulfuric acid leach solution obtained from a uranium ore.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)