Comparative evaluation of three α-hydroxycarboxylic acids for the separation of lanthanides by dynamically modified reversed-phase high-performance liquid chromatography

The resolution for the three homologues of α-hydroxycarboxylic acids viz. lactic acid, α-hydroxyisobutyric acid (α-HIBA) and α-hydroxy-α-methylbutyric acid (α-H-α-MBA), was compared for the individual separation of 14 lanthanide elements under identical experimental conditions. α-HIBA was found to b...

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Published in:Journal of Chromatography A 2002-06, Vol.959 (1), p.163-172
Main Authors: Raut, Narendra M, Jaison, P.G, Aggarwal, Suresh K
Format: Article
Language:English
Subjects:
Analytical chemistry
Carboxylic Acids - chemistry
Chemistry
Chromatographic methods and physical methods associated with chromatography
Chromatography, High Pressure Liquid - methods
Exact sciences and technology
Lanthanides
Lanthanoid Series Elements - isolation & purification
Other chromatographic methods
α-Hydroxycarboxylic acids
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cited_by cdi_FETCH-LOGICAL-c391t-217b590a9e16f4b49c6fe76e5c547048d032bba0f54367cbf77bc2f8dbbcbf583
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container_title Journal of Chromatography A
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creator Raut, Narendra M
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Aggarwal, Suresh K
description The resolution for the three homologues of α-hydroxycarboxylic acids viz. lactic acid, α-hydroxyisobutyric acid (α-HIBA) and α-hydroxy-α-methylbutyric acid (α-H-α-MBA), was compared for the individual separation of 14 lanthanide elements under identical experimental conditions. α-HIBA was found to be the best for separation of heavier lanthanides (Tb to Lu) while α-H-α-MBA led to a better separation for lighter lanthanides (La to Eu). All the 14 lanthanides were separated by gradient HPLC employing both α-HIBA and α-H-α-MBA so that there was reasonable resolution among all the peaks and the separation was completed in a short time.
doi_str_mv 10.1016/S0021-9673(02)00447-8
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subjects Analytical chemistry
Carboxylic Acids - chemistry
Chemistry
Chromatographic methods and physical methods associated with chromatography
Chromatography, High Pressure Liquid - methods
Exact sciences and technology
Lanthanides
Lanthanoid Series Elements - isolation & purification
Other chromatographic methods
α-Hydroxycarboxylic acids
title Comparative evaluation of three α-hydroxycarboxylic acids for the separation of lanthanides by dynamically modified reversed-phase high-performance liquid chromatography
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