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Chitosan-coated sour cherry kernel shell beads: an adsorbent for removal of Cr(VI) from acidic solutions

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Figure

Fig. 1 FT-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)
Fig. 2 SEM micrograph of a sour cherry kernel shell powder (R-SCKS), b R-SCKS-(VI), c chitosan-coated sour cherry kernel shell powder beads (C-SCKS), and d C-SCKS-Cr(VI)
Fig. 3 SEM-EDX spectra of a R-SCKS-Cr(VI) and b C-SCKS-Cr(VI)
Fig. 4 Effect of the adsorbent dosage on Cr(VI) adsorption. R-SCKSsour cherry kernel shell powder, C-SCKS chitosan-coated sour cherrykernel shell powder beads
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