About: Large-Surface Carbon Film Electrode - A Simple Sensor for Voltammetric Determination of Electrochemically Reducible Organic Compounds     Goto   Sponge   NotDistinct   Permalink

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Description
  • A newly developed large-surface carbon film electrode (LS-CFE) based on a microcrystalline natural graphite-polystyrene composite film was used to study the electrochemical behavior of 4-nitrophenol (4-NP) using DC voltammetry (DCV) and differential pulse voltammetry (DPV). Voltammetic behavior of 4-NP was investigated in dependence on the pH of the used Britton-Robinson buffer. As optimum pH values for the voltammetric determination of 4-NP at the LS-CFE in the cathodic potential region, the pH values 6.0 (for DCV) and 7.0 (for DPV) were chosen. The determinations of 4-NP at the LS-CFE (at a concentration of the analyte of 1 center dot 10(-4) mol l(-1)) showed a good repeatability for both voltammetric techniques used (RSD 2.2 % for DCV and 0.4 % for DPV). Under optimum conditions, the calibration dependences of 4-NP were measured in the concentration range from 1 to 100 mu mol l(-1), with limits of quantification (L(Q)s) of 2.3 mu mol l(-1) and 1.8 mu mol l(-1)for DCV and DPV, respectively. The applicability of the newly developed methods for the determination of 4-NP was verified on the model samples of drinking and river water, with LQs in the range from 1 to 2 mu mol l(-1). (en)
  • Tato práce se zabývá vývojem a testováním nového typu pracovní elektrody - velkoplošné uhlíkové elektrody tvořené kompozitem z mikrokrystalického přírodního grafitu a polystykrenu.
  • Tato práce se zabývá vývojem a testováním nového typu pracovní elektrody - velkoplošné uhlíkové elektrody tvořené kompozitem z mikrokrystalického přírodního grafitu a polystykrenu. (cs)
Title
  • Large-Surface Carbon Film Electrode - A Simple Sensor for Voltammetric Determination of Electrochemically Reducible Organic Compounds (en)
  • Velkoplošná uhlíková filmová elektroda - jednoduchý senzor pro voltametrické stanovení elektrochemicky redukovatelných organických sloučenin
  • Velkoplošná uhlíková filmová elektroda - jednoduchý senzor pro voltametrické stanovení elektrochemicky redukovatelných organických sloučenin (cs)
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  • Large-Surface Carbon Film Electrode - A Simple Sensor for Voltammetric Determination of Electrochemically Reducible Organic Compounds (en)
  • Velkoplošná uhlíková filmová elektroda - jednoduchý senzor pro voltametrické stanovení elektrochemicky redukovatelných organických sloučenin
  • Velkoplošná uhlíková filmová elektroda - jednoduchý senzor pro voltametrické stanovení elektrochemicky redukovatelných organických sloučenin (cs)
skos:notation
  • RIV/00216208:11310/14:10218497!RIV15-MSM-11310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(GP13-23337P)
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 53151
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11310/14:10218497
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • composite; electroanalysis; nitrophenols; 4-nitrophenol; stripping voltammetry; differential-pulse voltammetry; silver solid amalgam (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [6B1AD55EE82B]
http://linked.open...i/riv/nazevZdroje
  • Chemické listy
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 108
http://linked.open...iv/tvurceVysledku
  • Vyskočil, Vlastimil
  • Šmejkalová, Hana
http://linked.open...ain/vavai/riv/wos
  • 000334405200015
issn
  • 0009-2770
number of pages
http://localhost/t...ganizacniJednotka
  • 11310
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