Mechanism of the Water Clusters Formation in the Organic Phase in the Presence of Hydrated Ions

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F19%3A00505248" target="_blank" >RIV/61388955:_____/19:00505248 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Mechanism of the Water Clusters Formation in the Organic Phase in the Presence of Hydrated Ions
Original language description
A two-electrode cell comprising a liquid/liquid interface is used to study the water clusters formation in the organic solvent phase following the extraction of tetraalkylammonium chloride (TAACl) from the aqueous phase. The change in the concentration of the common TAA+ ion on the aqueous side of the interface is monitored by the open circuit potential measurements. It is shown that the amount of TAACl extracted into the organic phase exceeds considerably the limit determined by the concentration of Cl- in the organic phase at a given interfacial potential difference and the electroneutrality condition. A mechanism is proposed including an accumulation of the excess TAACl in the water clusters formed from the hydration shell of the Cl- ions, water already dissolved in the organic phase, and additional water extracted from the aqueous phase. At higher concentration of TAACl in the aqueous phase this process leads to the formation of emulsion in the organic phase.
Czech name
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Czech description
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Project
<a href="/en/project/GA17-09980S" target="_blank" >GA17-09980S: Biomimetic electrochemistry of emulsion micro-droplets at the polarised interface between two immiscible electrolyte solutions</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
XXXIX. Moderní elektrochemické metody. Sborník přednášek
ISBN
978-80-905221-7-6
ISSN
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e-ISSN
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Number of pages
5
Pages from-to
88-92
Publisher name
Best Servis
Place of publication
Ústí nad Labem
Event location
Jetřichovice
Event date
May 20, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000583689900020

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