Abstract : Dehydration of hydrated ammonium alum is a function of physical gaseous pressure. During dehydration, two kinds of partially dehydrated amorphous alum appears. These solids differ in texture and residual water composition.
Francis Mauss, Michel Murat, Jean-Michel Missiaen, Bernard Guilhot. Désydratation de l'alun d'ammonium : I. Résultats expérimentaux.. Journal of Thermal Analysis, 1996, 47 (3), pp.799-813. ⟨10.1007/BF01981815⟩. ⟨emse-00493140⟩