Determination of difenzoquat at a mercury meniscus modified silver solid amalgam electrode by differential pulse voltammetry

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F18%3A10409426" target="_blank" >RIV/00216208:11310/18:10409426 - isvavai.cz</a>
Result on the web
<a href="https://web.natur.cuni.cz/analchem/isc-mac/" target="_blank" >https://web.natur.cuni.cz/analchem/isc-mac/</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Determination of difenzoquat at a mercury meniscus modified silver solid amalgam electrode by differential pulse voltammetry
Original language description
In this study herbicide difenzoquat is determined by differential pulse voltammetry at a mercury meniscus modified silver solid amalgam electrode. The optimal medium for the determination is Britton-Robinson buffer pH = 11.0. At this pH difenzoquat gives one cathodic signal at -1.33 V (vs. Ag|AgCl|3M KCl reference electrode). An addition of a few drops of gelatin as a surface-active compound greatly improves repeatability of determination of difenzoquat and removes sharp maxima in voltammograms. Under these conditions it is possible to achieve limits of quantitation in submicromolar range.
Czech name
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Czech description
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Project
<a href="/en/project/GA17-03868S" target="_blank" >GA17-03868S: New Methods of Electrochemical Monitoring of Biologically Active Organic Compounds in Environmental, Biological and Food Matrices</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the 14th International Students Conference Modern Analytical Chemistry
ISBN
978-80-7444-059-5
ISSN
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e-ISSN
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Number of pages
4
Pages from-to
51-54
Publisher name
Univerzita Karlova, Přírodovědecká fakulta
Place of publication
Praha 2
Event location
Charles University, Praha
Event date
Sep 20, 2018
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
000495572500009

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