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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F14%3A10282020%21RIV15-MSM-11310___
rdf:type
skos:Concept n18:Vysledek
rdfs:seeAlso
http://www.electrochemsci.org/papers/vol9/90804653.pdf
dcterms:description
A novel type of large-surface bismuth film electrode prepared by electrochemical deposition of bismuth on a silver solid amalgam electrode (LSBiF-AgSAE) was developed. A silver solid amalgam substrate with a diameter of 2.64 mm was used to achieve larger surface of this electrode resulting in higher sensitivity in the voltammetric analysis. The larger electrode surface required longer time (i.e., 1800 s) for the electrochemical deposition of the bismuth film. The electrode surface of thus prepared electrode was characterized by atomic force microscopy (AFM) which confirmed that the bismuth film was not grown uniformly over the supporting surface, but created three-dimensional higher formations which cover only a fraction of the surface. To verify the practical application of the new LSBiF-AgSAE, the voltammetric behavior of genotoxic 5-nitrobenzimidazole (5-NBIA) was investigated using direct current voltammetry (DCV) and differential pulse voltammetry (DPV), and optimum conditions were found for its determination in the concentration range from 0.2 to 1000 mu mol L-1 in the Britton-Robinson buffer solution (pH 7.0), with the limits of quantification (L(Q)s) 0.37 mu mol L-1 (DCV) and 0.07 mu mol L-1 (DPV). An attempt to increase the sensitivity using adsorptive stripping DCV or DPV at the BiF-AgSAE was not successful. The practical applicability of the newly developed electrode was verified on direct determination of 5-NBIA in tap and mineral water model samples, with L(Q)s approximate to 0.1 mu mol L-1 mol L-1. A novel type of large-surface bismuth film electrode prepared by electrochemical deposition of bismuth on a silver solid amalgam electrode (LSBiF-AgSAE) was developed. A silver solid amalgam substrate with a diameter of 2.64 mm was used to achieve larger surface of this electrode resulting in higher sensitivity in the voltammetric analysis. The larger electrode surface required longer time (i.e., 1800 s) for the electrochemical deposition of the bismuth film. The electrode surface of thus prepared electrode was characterized by atomic force microscopy (AFM) which confirmed that the bismuth film was not grown uniformly over the supporting surface, but created three-dimensional higher formations which cover only a fraction of the surface. To verify the practical application of the new LSBiF-AgSAE, the voltammetric behavior of genotoxic 5-nitrobenzimidazole (5-NBIA) was investigated using direct current voltammetry (DCV) and differential pulse voltammetry (DPV), and optimum conditions were found for its determination in the concentration range from 0.2 to 1000 mu mol L-1 in the Britton-Robinson buffer solution (pH 7.0), with the limits of quantification (L(Q)s) 0.37 mu mol L-1 (DCV) and 0.07 mu mol L-1 (DPV). An attempt to increase the sensitivity using adsorptive stripping DCV or DPV at the BiF-AgSAE was not successful. The practical applicability of the newly developed electrode was verified on direct determination of 5-NBIA in tap and mineral water model samples, with L(Q)s approximate to 0.1 mu mol L-1 mol L-1.
dcterms:title
A New Type of Large-Surface Bismuth Film Electrode on a Silver Solid Amalgam Substrate and its Application for the Voltammetric Determination of 5-Nitrobenzimidazole A New Type of Large-Surface Bismuth Film Electrode on a Silver Solid Amalgam Substrate and its Application for the Voltammetric Determination of 5-Nitrobenzimidazole
skos:prefLabel
A New Type of Large-Surface Bismuth Film Electrode on a Silver Solid Amalgam Substrate and its Application for the Voltammetric Determination of 5-Nitrobenzimidazole A New Type of Large-Surface Bismuth Film Electrode on a Silver Solid Amalgam Substrate and its Application for the Voltammetric Determination of 5-Nitrobenzimidazole
skos:notation
RIV/00216208:11310/14:10282020!RIV15-MSM-11310___
n3:aktivita
n9:I n9:S n9:P
n3:aktivity
I, P(GBP206/12/G151), S
n3:cisloPeriodika
8
n3:dodaniDat
n12:2015
n3:domaciTvurceVysledku
n7:8805865 n7:4454472 n7:7316313
n3:druhVysledku
n11:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
954
n3:idVysledku
RIV/00216208:11310/14:10282020
n3:jazykVysledku
n19:eng
n3:klicovaSlova
Tap and mineral water; Differential pulse voltammetry; Direct current voltammetry; 5-Nitrobenzimidazole; Atomic force microscopy; Silver solid amalgam substrate; Large-surface bismuth film electrode
n3:klicoveSlovo
n4:Direct%20current%20voltammetry n4:Large-surface%20bismuth%20film%20electrode n4:Silver%20solid%20amalgam%20substrate n4:Tap%20and%20mineral%20water n4:5-Nitrobenzimidazole n4:Differential%20pulse%20voltammetry n4:Atomic%20force%20microscopy
n3:kodStatuVydavatele
RS - Srbská republika
n3:kontrolniKodProRIV
[99A31977B8C5]
n3:nazevZdroje
International Journal of Electrochemical Science
n3:obor
n14:CG
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
5
n3:projekt
n13:GBP206%2F12%2FG151
n3:rokUplatneniVysledku
n12:2014
n3:svazekPeriodika
9
n3:tvurceVysledku
Vyskočil, Vlastimil Economou, Anastasios Mansfeldova, Vera Deýlová, Dana Barek, Jiří
n3:wos
000338320000047
s:issn
1452-3981
s:numberOfPages
12
n10:organizacniJednotka
11310