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  • 1 University of Poona Department of Chemistry 411 007 Pune India
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Isotherms of silver uptake by zeolite-13X from AgNO3 at temperatures /323-563 K/ around the melting point of the nitrate are reported. Measurements of silver uptake have been carried out by a neutron activation method. At temperatures below the melting point the Ag+ uptake is exchange dominant while above the melting point the exchange accompanies substantial AgNO3 inclusion. The overall process of Ag+ uptake from both the powder and the melt is endothermic within the temperature range employed.