Fig. 4From: Novel diaminoguanidine functionalized cellulose: synthesis, characterization, adsorption characteristics and application for ICP-AES determination of copper(II), mercury(II), lead(II) and cadmium(II) from aqueous solutionsFTIR spectra of (a) native cellulose, (b) oxidized cellulose, (c) DiGu.MC and (d) Cu(II)-DiGu.MCBack to article page