Fig. 4From: Synthesis and adsorption performance of functionalized chitosan and carboxyethylsilanetriol hybridsA Effect of adsorbent mass (initial of dye concentration = 100 mg/L, pH = 7, and time = 90 min), B Effect of pH on adsorption (initial of dye concentration = 100 mg/L, dosage of GChi/silica microspheres = 0.025 g, time = 90 min) and C pH zero-point charge of GChi/silica containing carboxylic groupsBack to article page