Abstract
The Molecularly Imprinted Polymers (MIP) synthesis with the precipitation method uses more porogen solvent volume has been carried out. The purpose of this study was to obtain MIP which would be applied as a selective adsorbent against β-Sitosterol. The structural characteristics of MIP were carried out using FTIR, SEM, EDS, BET, and TGA. FTIR spectrum shows that functional groups that play a role in the formation of MIP are functional groups of OH, C=C, and C=O. The surface morphology of the MIP was analyzed by SEM and the analysis of very important elements in the formation of MIP was analyzed by EDS. Surface area, pore-volume, and pore diameter were analyzed by BET, and TG analyzed MIP resistance to heat. MIP is a white polymer granule and has better adsorption ability than NIP. The morphology of the rough and porous surface of MIP based on SEM data and EDS data shows that there is a loss of % carbon atoms and % mass respectively 1.88 % and 2.28 % after extraction of β-sitosterol as a printing molecule. BET data show that the pore diameter of MIP is 3.4 nm which includes mesoporous material. Based on the adsorption ability and structural characterization of MIP_MAA-co-TRIM β-sitosterol it is very good to be applied as an adsorbent in the SPE method and chromatography.
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