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. 2018 Jan 17;8(7):3599–3610. doi: 10.1039/c7ra12030c

Fig. 4. Plots of (a) qe verses Ce, (b) Langmuir isotherm, (c) Freundlich isotherm, and (d) Temkin isotherm for the adsorption of MG and EV dyes on GO–Au nanocomposite. Reaction conditions; adsorbent = 0.005 g, concentration of dyes solution = 3, 5, 7, and 10 μM volume of dyes solution = 50 ml, 100 rpm, 25 °C.

Fig. 4