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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F10%3A10057405%21RIV11-MSM-11310___
rdf:type
skos:Concept n14:Vysledek
dcterms:description
Two methods for the determination of propyl gallate, a controversial artificial antioxidant, are developed, based on differential pulse voltammetry (DPV) and HPLC with electrochemical detection (HPLC-ED), employing carbon paste electrode as the working electrode. Optimum conditions for the determination were found. For the DPV measurement, the supporting electrolyte consisted of 20% methanol (v/v) and B-R buffer pH 5. HPLC measurement wasperformed on C18 column, mobile phase consisted of phosphate buffer pH 4 and methanol(50 %, v/v) and detection potential was +0.8 V. The applicability of the methods was tested on the sample of vegetable oil. Two methods for the determination of propyl gallate, a controversial artificial antioxidant, are developed, based on differential pulse voltammetry (DPV) and HPLC with electrochemical detection (HPLC-ED), employing carbon paste electrode as the working electrode. Optimum conditions for the determination were found. For the DPV measurement, the supporting electrolyte consisted of 20% methanol (v/v) and B-R buffer pH 5. HPLC measurement wasperformed on C18 column, mobile phase consisted of phosphate buffer pH 4 and methanol(50 %, v/v) and detection potential was +0.8 V. The applicability of the methods was tested on the sample of vegetable oil.
dcterms:title
Electrochemical determination of propyl gallate on carbon paste electrode Electrochemical determination of propyl gallate on carbon paste electrode
skos:prefLabel
Electrochemical determination of propyl gallate on carbon paste electrode Electrochemical determination of propyl gallate on carbon paste electrode
skos:notation
RIV/00216208:11310/10:10057405!RIV11-MSM-11310___
n3:aktivita
n9:V n9:Z n9:S n9:P
n3:aktivity
P(LC06035), S, V, Z(MSM0021620857)
n3:dodaniDat
n10:2011
n3:domaciTvurceVysledku
n4:6618987 n4:6593704 n4:5768268 n4:3620255 n4:4454472
n3:druhVysledku
n19:D
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
256700
n3:idVysledku
RIV/00216208:11310/10:10057405
n3:jazykVysledku
n20:eng
n3:klicovaSlova
antioxidant; HPLC-ED, differential pulse voltammetry; carbon paste electrode; propyl gallate
n3:klicoveSlovo
n6:propyl%20gallate n6:differential%20pulse%20voltammetry n6:antioxidant n6:HPLC-ED n6:carbon%20paste%20electrode
n3:kontrolniKodProRIV
[EE86BD8D3BA3]
n3:mistoKonaniAkce
Jetřichovice
n3:mistoVydani
Ústí nad Labem
n3:nazevZdroje
Sborník přednášek mezinárodní odborné konference XXX. Moderní elektrochemické metody, Jetřichovice 24. ? 28. května 2010
n3:obor
n8:CG
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n22:LC06035
n3:rokUplatneniVysledku
n10:2010
n3:tvurceVysledku
Barek, Jiří Vysoká, Marie Dejmková, Hana Zima, Jiří Zavázalová, Jaroslava
n3:typAkce
n11:EUR
n3:wos
000283050900007
n3:zahajeniAkce
2010-05-24+02:00
n3:zamer
n13:MSM0021620857
s:numberOfPages
3
n21:hasPublisher
Best servis Ústí nad Labem
n16:isbn
978-80-254-6710-7
n15:organizacniJednotka
11310