Fig. 6From: Experimental and theoretical study for removal of trimethoprim from wastewater using organically modified silica with pyrazole-3-carbaldehyde bridged to copper ionsEffect of pH on TMP removal using 100Â mg of SiNP-Cu and 50Â mL of 50Â mg/L solutions at room temperature (a), TMP Adsorption mechanism on SiNP-Cu (b)Back to article page