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In this work, changes in microstructure of two protic ionic liquids (PILs), namely n‐butylammonium acetate (N4Ac) and n‐butylammonium nitrate (N4NO3), are proved by in situ variable‐temperature 1H NMR spectroscopy at the temperature range from 25 to 115 °C, and the influence of the nature of anion is discussed accordingly. The results demonstrate that 1H NMR chemical shifts of alkyl protons of both...
In order to study micro‐structural heterogeneities in the solutions of ionic liquids (ILs), ethanolammonium acetate (EOAA) IL has been synthesized and 1H NMR spectra of its binary solutions, namely EOAA/DMSO and EOAA/n‐butanol, have been measured at 298.15 K. Then the concentration‐dependent chemical shifts δ (―CH3, EOAA), δ (―CH3, DMSO) and δ (―CH3, n‐butanol) have been correlated separately using...
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