Figure 8

3D plot of interaction between design parameters of K/S value for polyamide 6 fabric, (a) concentration vs time, (b) concentration vs pH, (c) concentration vs temperature, (d) time vs pH, (e) time vs temperature, (f) pH vs temperature, and K/S value for woolen fabric, (g) concentration vs time, (h) concentration vs pH, (i) concentration vs temperature, (j) time vs pH, (k) time vs temperature, and (l) pH vs temperature.