About: Carbon paste electrode modified with thiourea-functionalized resin for determination of lead

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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 (en)
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 (en)
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 (en)
skos:notation	RIV/00216275:25310/09:00008416!RIV10-MSM-25310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LC06035), Z(MSM0021627502)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Švancara, Ivan Mikysek, Tomáš Vytřas, Karel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	305867
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/09:00008416
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	carbon paste electrode; QuadraPure; square-wave voltammetry; determination of lead (en)
http://linked.open.../riv/klicoveSlovo	determination of lead carbon paste electrode square-wave voltammetry QuadraPure
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[FBC66D356160]
http://linked.open...i/riv/nazevZdroje	Scientific Papers of the University of Pardubice, Series A
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Centre of Biophysical Chemistry, Bioelectrochemistry and Bioanalysis. New Tools for Genomics, Proteomics and Biomedicine.
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	15
http://linked.open...iv/tvurceVysledku	Vytřas, Karel Švancara, Ivan Mikysek, Tomáš Bǎnicǎ, Anna Bǎnicǎ, Florinel-Gabriel
http://linked.open...n/vavai/riv/zamer	Pokročilé analytické a separační metody a jejich aplikace v diagnostice a technologii živých a neživých materiálů
issn	1211-5541
number of pages	23 (xsd:int)
http://localhost/t...ganizacniJednotka	25310

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