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DIANA AMORELLO

Dioxouranium(VI) hydrolysis at 75 and 100°C in 3.6 molkg-1 LiClO4

  • Autori: Amorello, D.; Gambino, V.; Romano, V.; Zingales, R.
  • Anno di pubblicazione: 2008
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • Parole Chiave: Acid-base titrations, check of equilibrium conditions, hydrolysis in hot LiClO4 aqueous medium.
  • OA Link: http://hdl.handle.net/10447/35113

Abstract

This work concerns the acidic properties of uranyl ion UO22+ at 75 and 100 °C in 3.6 molal (molkg-1 solvent) LiClO4 aqueous medium. The investigation was carried out by a coulometric-potentiometric technique. Direct and reverse acid base titrations were carried out in order to check the achievement of actual equilibrium conditions. Moreover, in order to reveal oversaturation conditions, a further check was carried out on clean saturated hydrolyzed solutions.