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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F13%3A00068495%21RIV14-MSM-14310___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
In general, the determination of apparent protonation constants of organic electroactive substances from polarographic and voltammetric data is based on the dependence of peak potential (Ep) on pH. Then the pKa value is given as an intersection of two lines characterizing a different shift Ep of protonated and unprotonated particles on pH. Due to the fact that both slopes of these lines usually are not very different, the exact assessment of the intersection is problematic. Our new proposed method, which is able to determine pKa values from the Rp (peak resistance) depending on pH, eliminates this drawback. In general, the determination of apparent protonation constants of organic electroactive substances from polarographic and voltammetric data is based on the dependence of peak potential (Ep) on pH. Then the pKa value is given as an intersection of two lines characterizing a different shift Ep of protonated and unprotonated particles on pH. Due to the fact that both slopes of these lines usually are not very different, the exact assessment of the intersection is problematic. Our new proposed method, which is able to determine pKa values from the Rp (peak resistance) depending on pH, eliminates this drawback.
dcterms:title
A New Method of Apparent Protonation Constant Evaluation from Voltammetric Data A New Method of Apparent Protonation Constant Evaluation from Voltammetric Data
skos:prefLabel
A New Method of Apparent Protonation Constant Evaluation from Voltammetric Data A New Method of Apparent Protonation Constant Evaluation from Voltammetric Data
skos:notation
RIV/00216224:14310/13:00068495!RIV14-MSM-14310___
n16:predkladatel
n17:orjk%3A14310
n3:aktivita
n8:S
n3:aktivity
S
n3:dodaniDat
n15:2014
n3:domaciTvurceVysledku
n13:3790185 n13:6359922
n3:druhVysledku
n11:D
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
58823
n3:idVysledku
RIV/00216224:14310/13:00068495
n3:jazykVysledku
n12:eng
n3:klicovaSlova
Electrochemical determination of pKa; linear sweep voltammetry; elimination voltammetry; adenine
n3:klicoveSlovo
n7:Electrochemical%20determination%20of%20pKa n7:linear%20sweep%20voltammetry n7:elimination%20voltammetry n7:adenine
n3:kontrolniKodProRIV
[18D6D017D229]
n3:mistoKonaniAkce
Jetřichovice
n3:mistoVydani
Ústí nad Labem
n3:nazevZdroje
XXXIII.Moderní elektrochemické metody, sborník přednášek
n3:obor
n4:CG
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n15:2013
n3:tvurceVysledku
Pilařová, Iveta Serrano, Núria Trnková, Libuše
n3:typAkce
n21:WRD
n3:zahajeniAkce
2013-01-01+01:00
s:numberOfPages
3
n14:hasPublisher
Srsenová Lenka - Best servis Ústí nad Labem
n19:isbn
9788090522114
n5:organizacniJednotka
14310