A Study on Astrazon Black AFDL Dye Adsorption onto Vietnamese Diatomite

Figure 5

Van’t Hoff’s plot for AB adsorption onto diatomite: experimental variables: mass of adsorbent = 50, 100, 150, 200, 250, and 300 mg, initial concentration = 300 mg L⁻¹, adsorption temperature = 303, 313, 323, 333, and 343 K, volume of solution = 100 mL, equilibrium time = 200 min, and pH of dyes solution = 7.