Intercalation from the liquid phase of n-alkylamines (n = 1–6) and cyclic amines in α-hafnium phosphate

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Marta Suárez, M. Luz Rodríguez, Ricardo Llavona, Luisa M. Barcina, Ana Vega and Julio Rodríguez


Abstract

The intercalation behaviour from the liquid phase of n-alkylamines (n = 1–6) and the cyclic amines aniline, benzylamine, cyclohexylamine, piperidine and pyridine in α-hafnium phosphate Hf(HPO4)2·H2O has been studied. The composition of the intercalation compounds was determined and the arrangement of the amines in the interlayer region as mono-(pyridine) or bi-molecular films (the remaining amines) is discussed from data obtained from X-ray diffraction, IR spectroscopy and chemical and thermal analysis.


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