Fig. 10.
Breakthrough curve obtained for PANi/SD/PEG at various pH (sorbent weight 1.7 g; initial Cr (VI) 50 ppm; Flow rate 5 mL/min)
Breakthrough curve obtained for PANi/SD/PEG at various pH (sorbent weight 1.7 g; initial Cr (VI) 50 ppm; Flow rate 5 mL/min)