About: Enantioseparation of tartaric acid by ligand-exchange capillary electrophoresis using contactless conductivity detection

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About: Enantioseparation of tartaric acid by ligand-exchange capillary electrophoresis using contactless conductivity detection Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A method for the determination of tartaric acid enantiomers using CE with contactless conductivity detection has been developed. Cu(II) as a central metal ion together with l-hydroxyproline were used as a chiral selector, the BGE was composed of 7 mM CuCl2, 14 mM trans-4-hydroxy-l-proline, and 100 mM epsilon-aminocaproic acid; the pH was adjusted to 5 by hydrochloric acid. Separation with a resolution of 1.9 was achieved in 9 min in a polyacrylamide-coated capillary to suppress the EOF. Various counterions of the BGE were studied, and migration order reversal was achieved when switching from epsilon-aminocaproic acid to l-histidine. With detection limits of about 20 M, the method was applied to the analysis of wine and grape samples; only l-tartaric acid was found. A method for the determination of tartaric acid enantiomers using CE with contactless conductivity detection has been developed. Cu(II) as a central metal ion together with l-hydroxyproline were used as a chiral selector, the BGE was composed of 7 mM CuCl2, 14 mM trans-4-hydroxy-l-proline, and 100 mM epsilon-aminocaproic acid; the pH was adjusted to 5 by hydrochloric acid. Separation with a resolution of 1.9 was achieved in 9 min in a polyacrylamide-coated capillary to suppress the EOF. Various counterions of the BGE were studied, and migration order reversal was achieved when switching from epsilon-aminocaproic acid to l-histidine. With detection limits of about 20 M, the method was applied to the analysis of wine and grape samples; only l-tartaric acid was found. (en)
Title	Enantioseparation of tartaric acid by ligand-exchange capillary electrophoresis using contactless conductivity detection Enantioseparation of tartaric acid by ligand-exchange capillary electrophoresis using contactless conductivity detection (en)
skos:prefLabel	Enantioseparation of tartaric acid by ligand-exchange capillary electrophoresis using contactless conductivity detection Enantioseparation of tartaric acid by ligand-exchange capillary electrophoresis using contactless conductivity detection (en)
skos:notation	RIV/61989592:15310/13:33147307!RIV14-MSM-15310___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED2.1.00/03.0058), P(EE2.3.20.0018), P(LH11018), S
http://linked.open...iv/cisloPeriodika	20
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Maier, Vítězslav Ševčík, Juraj Knob, Radim Petr, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	72749
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/13:33147307
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Tartaric acid; Ligand exchange; Enantioseparation; Contactless conductivity detection; Capillary electrophoresis (en)
http://linked.open.../riv/klicoveSlovo	Capillary electrophoresis Ligand exchange Contactless conductivity detection Tartaric acid Enantioseparation
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[19A05EFBCA00]
http://linked.open...i/riv/nazevZdroje	Journal of Separation Science
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional Centre of Advanced Technologies and Materials Development of human resources for excellence in the research in nanotechnology in analytical chemistry Cyclofructans and their derivatives as new chiral selectors for liquid chromatography and capillary electrophoresis
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	36
http://linked.open...iv/tvurceVysledku	Petr, Jan Maier, Vítězslav Ševčík, Juraj Knob, Radim
http://linked.open...ain/vavai/riv/wos	000325482500017
issn	1615-9306
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/jssc.201300507
http://localhost/t...ganizacniJednotka	15310

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