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Description
  • Paste electrode with paste amalgam as an active electrode material is described here for the first time. Designed electrode from silver paste amalgam (AgA-PE) is solely metallic and does not contain any organic binder. Mechanical surface regeneration of AgA-PE is performed in the same way as for classical carbon paste electrodes and reproducibility of such regeneration is about 10%. Electrochemical surface regeneration appeared very efficient for most measurements. In dependence on paste metal content, the electrode surface can be liquid (resembling a film) or rather solid. The hydrogen overvoltage on AgA-PE is high, and the electrode allows measurements at highly negative potentials. AgA-PE is well suited for study of reduction or oxidation processes without an accumulation step. Anodic stripping voltammetry of some metals tested on the electrode is influenced by formation of intermetallic compounds.
  • Paste electrode with paste amalgam as an active electrode material is described here for the first time. Designed electrode from silver paste amalgam (AgA-PE) is solely metallic and does not contain any organic binder. Mechanical surface regeneration of AgA-PE is performed in the same way as for classical carbon paste electrodes and reproducibility of such regeneration is about 10%. Electrochemical surface regeneration appeared very efficient for most measurements. In dependence on paste metal content, the electrode surface can be liquid (resembling a film) or rather solid. The hydrogen overvoltage on AgA-PE is high, and the electrode allows measurements at highly negative potentials. AgA-PE is well suited for study of reduction or oxidation processes without an accumulation step. Anodic stripping voltammetry of some metals tested on the electrode is influenced by formation of intermetallic compounds. (en)
  • Poprvé byla popsána pastová elektroda, která obsahuje jako aktivní elektrodový materiál pastový amalgám. Navržená elektroda ze stříbrného pastového amalgamu (AgA PE) je čistě kovová a neobsahuje žádné organické pojivo. Mechanické obnovení povrchu AgA PE se provádí stejným způsobem jako u klasických uhlíkových pastových elektrod a reprodukovatelnost tohoto obnovení se pohybuje kolem 10 %. Elektrochemická regenerace AgA PE byla pro většinu provedených měření velmi účinná. V závislosti na obsahu kovu v pastě může být povrch elektrody kapalný (mít podobu filmu) nebo spíše pevný. Přepětí vodíku na AgA PE je velké a elektroda dovoluje využit oblast vysokých záporných potenciálů. AgA PE je velíce vhodná pro sledování redukčních a oxidačních dějů. Pracovní elektroda z pastového amalgámu spojuje přednosti pastových a kovových elektrod. (cs)
Title
  • Working electrodes from amalgam paste for electrochemical measurements
  • Working electrodes from amalgam paste for electrochemical measurements (en)
  • Pracovní elektrody z pastového amalgámu pro elektrochemická měření (cs)
skos:prefLabel
  • Working electrodes from amalgam paste for electrochemical measurements
  • Working electrodes from amalgam paste for electrochemical measurements (en)
  • Pracovní elektrody z pastového amalgámu pro elektrochemická měření (cs)
skos:notation
  • RIV/61388955:_____/08:00309701!RIV09-AV0-61388955
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA203/07/1195), P(GA521/06/0496), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 405849
http://linked.open...ai/riv/idVysledku
  • RIV/61388955:_____/08:00309701
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • voltammetry; paste amalgam; silver amalgam; paste electrode (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [E0B08CFB78B0]
http://linked.open...i/riv/nazevZdroje
  • Electroanalysis
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 20
http://linked.open...iv/tvurceVysledku
  • Yosypchuk, Bogdan
  • Šestáková, Ivana
http://linked.open...ain/vavai/riv/wos
  • 000253620500012
http://linked.open...n/vavai/riv/zamer
issn
  • 1040-0397
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