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Electrochemical Monitoring of the Water Clusters Formation in an Organic Solvent in the Presence of Hydrated Ions
- 1.0489892 - ÚFCH JH 2020 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
Mareček, Vladimír
Electrochemical Monitoring of the Water Clusters Formation in an Organic Solvent in the Presence of Hydrated Ions.
XXXVIII. Moderní elektrochemické metody. Sborník přednášek. Ústí nad Labem: Best Servis, 2018 - (Navrátil, T.; Fojta, M.; Schwarzová, K.), s. 151-154. ISBN 978-80-905221-6-9.
[Moderní elektrochemické metody /38./. Jetřichovice (CZ), 21.05.2018-25.05.2018]
Grant CEP: GA ČR(CZ) GA17-09980S
Institucionální podpora: RVO:61388955
Klíčová slova: Liquid/liquid interface * Water co-extraction dynamics * Emulsification
Obor OECD: Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)
An electrochemical method has been developed that makes it possible to monitor the
dynamics of the co-extraction of water with hydrated chloride ions at the interface between
two immiscible electrolyte solutions (ITIES). The interfacial potential was controlled by the
distribution of a common tetralkylammonium (TAA+) ion. Changes in the TAA+
concentration at the interface were monitored by measuring the open circuit potential (OCP).
Transfer of hydrated chloride ions is accompanied by the transfer of TAA+, decreasing its
concentration on the aqueous side of the interface. This process involves the co-extraction of
water molecules with the hydrated chloride ions and the formation of water clusters in the
organic solvent phase. The ability to monitor the process from the very beginning of interface
formation allowed us to obtain important kinetic data.
Trvalý link: http://hdl.handle.net/11104/0284199
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