About: Voltammetric Determination of Dinitronaphthalenes Using a Silver Solid Amalgam Paste Electrode

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.2116/analsci.28.411
Description	The electrochemical behavior and application of a new sensor, a silver solid amalgam paste electrode (AgSA-PE), based on the mixture of a fine silver solid amalgam powder (60:40 (w(Hg)/w(Ag))) and a suitable organic pasting liquid (Paraffin oil) in a ratio of 20:1 (w/w), was investigated in an aqueous-methanolic media (1:1). This alternative working electrode provides simple preparation and handling, adequate mechanical stability, easily renewable electrode surface, sufficiently wide cathodic potential window (up to -1200 mV within a pH range of 2.7 - 12.3), and sufficient sensitivity without any necessary pretreatment. The practical usability of the AgSA-PE was verified by the development of voltammetric methods for the determination of selected environmentally important pollutants (1,3-, 1,5-, and 1,8-dinitronaphthalenes) in an aqueous-methanolic media (1:1). The differential pulse voltammetric methods at AgSA-PE give linear concentration dependences in the range of 1 - 100 mu mol l(-1) with limits of detection of about 1 mu mol l(-1) in a mixture of Britton-Robinson buffer of appropriate pH and methanol (1:1). The electrochemical behavior and application of a new sensor, a silver solid amalgam paste electrode (AgSA-PE), based on the mixture of a fine silver solid amalgam powder (60:40 (w(Hg)/w(Ag))) and a suitable organic pasting liquid (Paraffin oil) in a ratio of 20:1 (w/w), was investigated in an aqueous-methanolic media (1:1). This alternative working electrode provides simple preparation and handling, adequate mechanical stability, easily renewable electrode surface, sufficiently wide cathodic potential window (up to -1200 mV within a pH range of 2.7 - 12.3), and sufficient sensitivity without any necessary pretreatment. The practical usability of the AgSA-PE was verified by the development of voltammetric methods for the determination of selected environmentally important pollutants (1,3-, 1,5-, and 1,8-dinitronaphthalenes) in an aqueous-methanolic media (1:1). The differential pulse voltammetric methods at AgSA-PE give linear concentration dependences in the range of 1 - 100 mu mol l(-1) with limits of detection of about 1 mu mol l(-1) in a mixture of Britton-Robinson buffer of appropriate pH and methanol (1:1). (en)
Title	Voltammetric Determination of Dinitronaphthalenes Using a Silver Solid Amalgam Paste Electrode Voltammetric Determination of Dinitronaphthalenes Using a Silver Solid Amalgam Paste Electrode (en)
skos:prefLabel	Voltammetric Determination of Dinitronaphthalenes Using a Silver Solid Amalgam Paste Electrode Voltammetric Determination of Dinitronaphthalenes Using a Silver Solid Amalgam Paste Electrode (en)
skos:notation	RIV/00216208:11310/12:10126402!RIV13-GA0-11310___
http://linked.open...avai/riv/aktivita	I P S Z
http://linked.open...avai/riv/aktivity	I, P(GBP206/12/G151), P(ME10004), P(TA01020565), S, Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Daňhel, Aleš Tvrdíková, Jana Vyskočil, Vlastimil Barek, Jiří
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 Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	178544
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/12:10126402
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	biosensors; electrochemistry; electroanalysis; mercury-electrodes (en)
http://linked.open.../riv/klicoveSlovo	electroanalysis biosensors electrochemistry mercury-electrodes
http://linked.open...odStatuVydavatele	JP - Japonsko
http://linked.open...ontrolniKodProRIV	[44D1463F519A]
http://linked.open...i/riv/nazevZdroje	Analytical Sciences
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of novel approaches to bioanalysis and molecular diagnostics Development of the Procedures for Monitoring of Ultratrace Pesticide Concentrations in Soil, Crops and Surface water. New electrode materials for voltammetric and amperometric detection of trace amounts of ecotoxic and genotoxic organic pollutants
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	28
http://linked.open...iv/tvurceVysledku	Barek, Jiří Daňhel, Aleš Vyskočil, Vlastimil Tvrdíková, Jana
http://linked.open...ain/vavai/riv/wos	000303294700016
http://linked.open...n/vavai/riv/zamer	Nové molekulární systémy pro pokročilé aplikace prospěšné pro zdraví a šetrné k životnímu prostředí
issn	0910-6340
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.2116/analsci.28.411
http://localhost/t...ganizacniJednotka	11310

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