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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Rates and Mechanism of Adsorption of Transition Metal Ions on Polystyrene Resins Supported Diethylenetriamine

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1999, v.12 no.6, pp.465-471
Kim, Sun-Deuk
Shin, Yun-Yeol
Kim, Chang-Su
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Abstract

Chloromethylated polystyrene resins supported diethylenetriamine of linear and claw types have been prepared by the reaction of diethylenetriamine with chloromethylated polystyrene. The kinetics of adsorption of transition metal ions on polystyrene resins were measured by the limited-bath technique. This paper reports the results of the diffusion coefficients, entropies of activation, and free energies of activation. The ratedetermining step of the adsorption of transition metals on the resins is a process of diffusion through the particles.

keywords
polystyrene, limited-bath, diffusion


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