Journal of Chemistry

Journal of Chemistry / 2009 / Article

Open Access

Volume 6 |Article ID 647505 |

Harry Budiman, H. K. Fransiska Sri, Achmad. H. Setiawan, "Preparation of Silica Modified with 2-Mercaptoimidazole and its SorptionProperties of Chromium(III)", Journal of Chemistry, vol. 6, Article ID 647505, 10 pages, 2009.

Preparation of Silica Modified with 2-Mercaptoimidazole and its SorptionProperties of Chromium(III)

Received28 Feb 2008
Revised21 Jul 2008
Accepted10 Sep 2008


Modified silica gel was prepared to remove the heavy metal of chromium(III) from water sample. Silica gel was used as supporting material and the 2-mercaptoimidazole was immobilized onto surface silica so that the silica would have selective properties to adsorb the heavy metal chromium(III) through the formation of coordination compound between the 2-mercaptoimidazole and chromium(III). The characterization of modified silica gel was carried out by analyzing the Fourier Transform Infrared Spectrum of this material in order to ensure the immobilization of 2-mercaptoimidazole onto the surface. The effect of pH solution, initial concentration of chromium(III), and interaction time were investigated in batch mode to find the adsorption properties of chromium(III) onto modified silica. The condition optimum of these parameters was applied to determine the removal percentage of chromium(III) in water sample using the modified silica gel

Copyright © 2009 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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