About: Automated microgradient system for capillary electrochromatography.

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A microprocessor controlled gradient elution system suitable for capillary electrochromatography has been developed and tested. It is based on a liquid handling device described previously which is capable of liquid transport with both low and high fluid dispersion. The low dispersion region formed by stainless steel needle 250 microm I.D. serves for sample injection, while the high dispersion region, created by steep extension of tube diameter, is used for continuous mobile phase gradient generation. A homologous series of seven alkylphenones was electrochromatographycally separated on a monolithic polyacrylic column under gradient conditions. An S-shaped acetonitrile gradient (3070) was applied. A high reproducibility of retention times (RSD about 0.1) was obtained, indicating accuracy of automated gradient operations. A microprocessor controlled gradient elution system suitable for capillary electrochromatography has been developed and tested. It is based on a liquid handling device described previously which is capable of liquid transport with both low and high fluid dispersion. The low dispersion region formed by stainless steel needle 250 microm I.D. serves for sample injection, while the high dispersion region, created by steep extension of tube diameter, is used for continuous mobile phase gradient generation. A homologous series of seven alkylphenones was electrochromatographycally separated on a monolithic polyacrylic column under gradient conditions. An S-shaped acetonitrile gradient (3070) was applied. A high reproducibility of retention times (RSD about 0.1) was obtained, indicating accuracy of automated gradient operations. (en)
Title	Automated microgradient system for capillary electrochromatography. Automated microgradient system for capillary electrochromatography. (en)
skos:prefLabel	Automated microgradient system for capillary electrochromatography. Automated microgradient system for capillary electrochromatography. (en)
skos:notation	RIV/68081715:_____/03:25033016!RIV/2004/GA0/A25004/N
http://linked.open.../vavai/riv/strany	3;9
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/02/1447), P(IBS4031201), Z(AV0Z4031919)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Kahle, Vladislav
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	Ústav analytické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	599342
http://linked.open...ai/riv/idVysledku	RIV/68081715:_____/03:25033016
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Electrochromatography automation; gradient elution (en)
http://linked.open.../riv/klicoveSlovo	gradient elution Electrochromatography automation
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[0EE3E9ECEB52]
http://linked.open...i/riv/nazevZdroje	Journal of Chromatography A
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Capillary electrochromatography in linear and planar microstructures using polymer beds Apparatus for automation of electrochromatographic and electrophoretic analysis
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	990
http://linked.open...iv/tvurceVysledku	Kahle, Vladislav Welsch, T. Vázlerová, M.
http://linked.open...n/vavai/riv/zamer	Vyvinutí nových metod analytické chemie pro potřeby společenské praxe
issn	0021-9673
number of pages	7 (xsd:int)

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