Fig. 3From: Effects of tannin mordanting on coloring and functionalities of wool fabrics dyed with spent coffee groundsFTIR-ATR spectra of wool fabrics dyed with spent coffee extract as a function of mordanting solution concentration: a Pristine, b 0.00 wt%, c 0.25 wt%, d 0.50 wt%, e 1.00 wt%, and f 2.00 wt%Back to article page