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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F09%3A00008416%21RIV10-MSM-25310___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
In this contribution, a carbon paste electrode modified with thiourea-functionalised resin is described in terms of its electroanalytical characterisation and applicability to the determination of Pb2+ ions. Commercial macroporous resin, QuadraPure(TM)TU, added to the carbon paste mixture in an amount of 30% (v/v), contains thiourea residual groups being able of effectively complexing the Pb2+ ions. When using the SWV mode in combination with open-circuit accumulation, intermediate electrolytic reduction, and subsequent anodic stripping step, the resultant signal for lead could be calibrated within a very wide concentration range of 5-25 000 ug l-1 Pb2+, with a limit of detection (3 sigma) of about 1 ug l-1, and without serious interferences from other heavy metal ions as confirmed in special studies. Practical usefulness of the method has been tested on selected water samples and the respective results verified by means of recovery rates, certified reference material, and ICP-MS reference determinati In this contribution, a carbon paste electrode modified with thiourea-functionalised resin is described in terms of its electroanalytical characterisation and applicability to the determination of Pb2+ ions. Commercial macroporous resin, QuadraPure(TM)TU, added to the carbon paste mixture in an amount of 30% (v/v), contains thiourea residual groups being able of effectively complexing the Pb2+ ions. When using the SWV mode in combination with open-circuit accumulation, intermediate electrolytic reduction, and subsequent anodic stripping step, the resultant signal for lead could be calibrated within a very wide concentration range of 5-25 000 ug l-1 Pb2+, with a limit of detection (3 sigma) of about 1 ug l-1, and without serious interferences from other heavy metal ions as confirmed in special studies. Practical usefulness of the method has been tested on selected water samples and the respective results verified by means of recovery rates, certified reference material, and ICP-MS reference determinati
dcterms:title
Carbon paste electrode modified with thiourea-functionalized resin for determination of lead Carbon paste electrode modified with thiourea-functionalized resin for determination of lead
skos:prefLabel
Carbon paste electrode modified with thiourea-functionalized resin for determination of lead Carbon paste electrode modified with thiourea-functionalized resin for determination of lead
skos:notation
RIV/00216275:25310/09:00008416!RIV10-MSM-25310___
n3:aktivita
n13:Z n13:P
n3:aktivity
P(LC06035), Z(MSM0021627502)
n3:cisloPeriodika
12
n3:dodaniDat
n10:2010
n3:domaciTvurceVysledku
n6:7182554 n6:9805524 n6:6143083
n3:druhVysledku
n15:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
305867
n3:idVysledku
RIV/00216275:25310/09:00008416
n3:jazykVysledku
n16:eng
n3:klicovaSlova
carbon paste electrode; QuadraPure; square-wave voltammetry; determination of lead
n3:klicoveSlovo
n4:determination%20of%20lead n4:carbon%20paste%20electrode n4:QuadraPure n4:square-wave%20voltammetry
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[FBC66D356160]
n3:nazevZdroje
Scientific Papers of the University of Pardubice, Series A
n3:obor
n19:CG
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
5
n3:projekt
n5:LC06035
n3:rokUplatneniVysledku
n10:2009
n3:svazekPeriodika
15
n3:tvurceVysledku
Bǎnicǎ, Florinel-Gabriel Mikysek, Tomáš Švancara, Ivan Bǎnicǎ, Anna Vytřas, Karel
n3:zamer
n9:MSM0021627502
s:issn
1211-5541
s:numberOfPages
23
n17:organizacniJednotka
25310