Infrared spectral analysis for barium ion bound guargum – graft- acrylamide

Abstract

Guargum- graft- acrylamide (G – g – Am) is a water soluble polymer. It has good industrial use. G – g – Am binds Cu 2+ and Y3+ at different pH range. It also binds Ba2+ at high pH – IR spectra for barium ion bound G – g – Am (G – g – Am - Ba2+) indicates involvement of – COOH groups and -OH groups of polymer in binding Ba2+. According to Nakamoto’s reference, bidentate bridging structure is expected for -COO – group from polymer in binding Ba2+.