Fig. 4
From: Performance evaluation of 3D-printed geopolymer monoliths for cadmium adsorption

IR spectra (a) geopolymer ), (b) regenerated geopolymer , and (c) Cd2+ loaded geopolymer.
From: Performance evaluation of 3D-printed geopolymer monoliths for cadmium adsorption

IR spectra (a) geopolymer ), (b) regenerated geopolymer , and (c) Cd2+ loaded geopolymer.