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.
Related projects:	Structure and character of bonding, properties and analysis of synthetic and natural molecular ensembles