Fig. 2
Effect of pH on the adsorption of Cr(VI) by BP, RSS, and CKS (adsorption conditions: concentration of Cr(VI), 50 ppm; adsorbent dosage, 10 g/L; contact time, 1 h; temperature, 25 ± 1 °C; λ = 540 nm)
Fig. 2 | Journal of Analytical Science and Technology