Browsing Τμήμα Χημείας / Department of Chemistry by Author "Ragai, J."

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    • Article  

      Adsorptive Properties of Microporous Zro2 Gels 

      Ragai, J.; Selim, S.; Sing, K. S. W.; Theocharis, Charis R. (1993)
      Nitrogen adsorption studies were carried out on zirconia gels prepared through the agency of ammonium carbonate to zirconyl chloride solutions. The effect of heat treatment and cation uptake on the textural characteristics ...
    • Article  

      Characterization of microporous zirconia gels 

      Ragai, J.; Selim, S.; Sing, K. S. W.; Theocharis, Charis R. (1994)
      Microporous zirconia gels were prepared from zirconyl chloride by the reaction in aqueous solutions with either ammonium carbonate or bircarbonate. Under conditions of low pH the ammonium bicarbonate precipitated gels ...