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Anion detection by electro-insertion into N,N,N ',N '-tetrahexylphenylenediamine (THPD) microdroplets studied by voltammetry, EQCM, and SEM techniques

Abstract:

The electrochemical oxidation and re-reduction of N′,N′,N,N-tetrahexylphenylene diamine (THPD) deposited in form of microdroplets on a basal plane pyrolytic graphite or gold electrode is shown to be a chemically reversible process in the presence of aqueous electrolyte media containing NO-3, SCN-, ClO-4, or PF-6. Sharp voltammetric responses with a mid point potential, Emid, characteristic of the type of anion and its concentration are observed. The oxidation product, an ionic liquid, undergo...

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Goeting, CH More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
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Journal:
ELECTROANALYSIS
Volume:
10
Issue:
12
Pages:
821-826
Publication date:
1998-09-05
DOI:
ISSN:
1040-0397
URN:
uuid:aeb54d9d-f5f6-425e-af77-68ee7926979d
Source identifiers:
36723
Local pid:
pubs:36723

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