Fig. 2
From: Poly(acrylamide/styrenesulfonic acid) hydrogels for effective removal of Cr(III) ions
The distinctive Cr(III) adsorption curves for each produced poly(Acr/Sty) hydrogel of total molar concentrations 2.8 M, 2.1 M, 1.4 M, and 0.7 M versus time (10, 20, and 30 min and 1, 2, 3, 4, 5, 24 h).
