Fig. 1From: Chitosan-coated sour cherry kernel shell beads: an adsorbent for removal of Cr(VI) from acidic solutionsFT-IR spectra of sour cherry kernel shell powder (R-SCKS, green), chitosan-coated sour cherry kernel shell powder beads (C-SCKS, red), and C-SCKS-Cr(VI) (blue)Back to article page