Separation of Rare Earth Elements by High-Performance Liquid Chromatography Using Covalently Modified Silica Gel Column

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Authors

GARCIA-VALLS Ricard HRDLIČKA Aleš PERŮTKA Jiří HAVEL Josef DEORKAR Nandu V. TAVLARIDES Lawrence L. VALIENTE Manuel MUŇOZ Maria

Year of publication 2001
Type Article in Periodical
Magazine / Source Analytica Chimica Acta
MU Faculty or unit

Faculty of Science

Citation
Field Analytic chemistry
Keywords HPLC; Modified Silica Gel; Rare Earths; Separation
Description Sorption of lanthanide ions on a new material, a silica gel with chemically bound phosphonic acid, was investigated and some physical chracteristics of the sorbent were determined. Good separation of rare earth elements was achieved by using HPLC column packed with 10-um particles and mobile phase containing alpha-hydroxyisobutyric acid. REE were detected photometrically after their post-column derivatization with Arsenazo III.
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