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National Repository of Grey Literature 14 records found  previous11 - 14  jump to record: Search took 0.01 seconds. 
Determination of chlorophenols in environmental samples using electromembrane extraction and capillary electrophoresis
 Šlampová, Andrea ; Kubáň, Pavel ; Boček, Petr
Combination of electromembrane extraction (EME) with capillary electrophoresis (CE) was used for determination of trace level chlorophenols (CPs) in environmental water samples. The analytes were transported across supported liquid membrane (SLM), composed of 1-ethyl-2-nitrobenzene (ENB), by the application of electrical field. A driving force of 150 V was applied to extract the analytes from neutral sample (donor solution) into strongly alkaline acceptor solutions. The acceptor solutions were subsequently analyzed by CE with UV-Vis detector.
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Electrophoretic mobility measurements of a multivalent red dye SPADNS
 Pantůčková, Pavla ; Kubáň, Pavel ; Boček, Petr
Measurements of the electrophoretic mobility of an anionic dye 4,5-dihydroxy-3-(p-sulfophenylazo)-2,7- naphthalene disulfonic acid trisodium salt (SPADNS), which is a commonly used anionic dye, are described in this contribution. Electrophoretic mobilities of SPADNS were measured in various buffer solutions covering the pH range of 2.4–9.1. Effective electrophoretic mobilities of SPADNS measured in these buffers varied between 50.5 x 10–9 m2/Vs and 60.5 x 10–9 m2/Vs with an average effective mobility of 55.0 x 10–9 m2/Vs.
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A simple sample pretreatment device with supported liquid membrane for direct injection of untreated body fluids and in-line coupling to a commercial capillary electrophoresis instrument
 Pantůčková, Pavla ; Kubáň, Pavel ; Boček, Petr
A simple sample pretreatment device employing extractions across supported liquid membranes (SLMs) was designed for in-line coupling to a commercial CE instrument. The device can be easily assembled/disassembled and SLMs can be replaced after each extraction thus minimizing sample carry-over, avoiding tedious SLM regeneration and reducing total pretreatment time and costs.
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Determination of ions and other low molecular substances by separation methods
 Kubáň, Pavel
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National Repository of Grey Literature : 14 records found   previous11 - 14  jump to record:
See also: similar author names
2 Kubáň, Petr
1 Kubáň, Přemysl
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