Fig. (6) Kinect behaviour of TA-Cu(II) in buffered pH of 5.5 and 8.0 using 1:1 (A1) and 1:5 (A2) ratio in the following concentrations: 0.16 g L-1 (C1); 0.12 g L-1 (C2); 0.08 g L-1 (C3) and 0.04 g L-1 (C4).