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  • Chem Sci Trans., 2013, 2(4),  pp 1192-1203  

    DOI:10.7598/cst2013.562

    Research Article

    Comparative Studies of Kinetics of Nanocomposite Poly-o-toluidine Zr(IV) Phosphate and Fibrous Nylon-6,6 Sn(IV) Phosphate Cation Exchange Materials

  • ASIF ALI KHAN and TABASSUM AKHTAR
  • Analytical Research Laboratory, Department of Applied Chemistry, Faculty of Engineering and Technology, Aligarh Muslim University, Aligarh-202002, India
  • Abstract

    An organic-inorganic composite, poly-o-toluidine Zr(IV) phosphate and nylon-6,6 Sn(IV) phosphate was chemically synthesized by mixing ortho-toluidine and nylon-6,6 into the gel of Zr(IV) phosphate and Sn(IV) phosphate in different mixing volume ratios. The particle diffusion mechanism is confirmed by the linear τ (dimensionless time parameter) vs. τ (time) plots. This study revealed the exchange process controlled by the diffusion within the exchanger particles. Some physical parameters like self-diffusion coefficient (D0), activation energy (Ea) and entropy of activation (ΔS) have been evaluated under conditions favoring a particle diffusion-controlled mechanism.

    Keywords

    Cation exchangers, Poly-o-toluidine Zr(IV)phosphate, Nylon-6,6 Sn(IV) Phosphate, Ion-exchange Kinetics

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