The resin salicylic acid-diaminobenzoicacid-formaldehyde (SDBF) has been synthesized by the condensation of salicylicacid and diaminobenzoicacid with formaldehyde in the presence of hydrochloricacid as catalyst. Resin was characterized by elemental analysis, infrared (IR) spectroscopy, nuclear magnetic resonance (NMR) spectroscopy and UV- Visible spectral studies. The number average molecular weight of the resin was determined by nonaqueous conductometric titration. Chelation ion exchange properties have also been studied for various metal ions employing a batch equilibrium method. It was employed to study the selectivity of metal ion uptake involving the measurements of distribution of a given metal ion between the polymer sample and a solution containing the metal ion. The study was approved out over wide pH range and in media of various ionic strengths. The resin depicted advanced selectivity for Fe3+, Cu2+ and Ni2+ions than for Co2+, Zn2+, Cd2+, and Pb2+ ions.
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