Fig. 4From: Deciphering the effect of citric acid on arsenic adsorption with phosphorene in aqueous solutionEffects of environmental parameters on performance (a) Concentration, (b) Temperature, (c) CA concentration, (d) pH, (e) Valance, (f) Dosage. Conditions: initial As(III) or As(V) concentration = 1.0 mg L− 1; solution temperature = 25 °C; pH = 7.0; concentration of CA = 0.1 mMBack to article page