Al3+ solvation in solutions of aluminum nitrate in a protic ionic liquid: Nuclear magnetic resonance verification of the solvation shell composition

The closest environment of Al3+ cations was analyzed in detail in solutions of aluminum nitrate in the prototypical protic ionic liquid ethyl ammonium nitrate (EAN) using 1H and 14N nuclear magnetic resonance (NMR) spectra. For Al (NO3)3–EAN mixtures with different water content, a quantitative anal...

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Bibliographic Details
Published in:Magnetic resonance in chemistry 2022-02, Vol.60 (2), p.221-225
Main Authors: Matveev, Vladimir V., Ievlev, Alexandr, Šoltésová, Mária, Štěpánková, Helena, Lähderanta, Erkki, Varela, Luis M.
Format: Article
Language:English
Subjects:
14N
27Al
Aluminum
Aluminum nitrate
Ammonium nitrate
aqua complex
Cations
Composition
ionic liquid
Ionic liquids
Ions
Moisture content
Nitrates
NMR
Nuclear magnetic resonance
Solvation
solvation shell
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Summary:The closest environment of Al3+ cations was analyzed in detail in solutions of aluminum nitrate in the prototypical protic ionic liquid ethyl ammonium nitrate (EAN) using 1H and 14N nuclear magnetic resonance (NMR) spectra. For Al (NO3)3–EAN mixtures with different water content, a quantitative analysis of the integral intensities of the 1H and 14N signals was carried out and the composition of the first solvation shell of the aluminum cation was refined.
ISSN:0749-1581
1097-458X
DOI:10.1002/mrc.5220