Preparation and characterization of nanocomposite silica supported silica gel by sol-gel surface imprinting technology

Abstract

In this study, a novel adsorbent material based on nanocomposite silica supported silica gel was successfully prepared and developed. This adsorbent material was prepared via sol-gel method using 3-(propylmethacrylate)trimethoxysilane/ nanocomposite silica (SN), acetic acid as catalyst, hippuric acid (HA) as template, acetonitrile as solvent and supported by silica gel. The nanocomposite silica was employed as an adsorbent for extraction of hippuric acid. The NS prepared using 800 μL of 3-(propylmethacrylate)trimethoxysilane), (0.30 mmol/L of hippuric acid), 700μL acetonitrile as solvent and 600 μL of acetic acid was found to exhibit better sorption for hippuric acid. The characterization of NS was observed using fourier transform infra-red (FTIR) while texture properties by N2 adsorption analysis.