skip to main content

Pengaruh Keasaman Medium dan Imobilisasi Gugus Organik pada Karakter Silika Gel dari Abu Sekam Padi

1Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia

2Chemistry Department, Faculty of Mathematics and Natural Sciences, Gadjah Mada University, Indonesia

Published: 1 Dec 2005.
Open Access Copyright 2005 Jurnal Kimia Sains dan Aplikasi under

Citation Format:
Silica gel is well known as a material that may be used as adsorbent, host matrix for catalyst, etc. Hence, synthesis of silica gel from rice hull ash has been done by evaluation of the effect of medium acidity and organic group immobilized in the snythesis of silica gel.Synthesis of silica gel was done by adding sodium silicate solution from rice hull ash to hydrochloric acid until pH 3, 5 and 7. Immobilization of thiol group and amino group in silica was done by adding 3-mercaptopropyltrimethoxysilane or 3-aminopropyl-trimethoxysilane to sodium silicate solution and hydrochloride acid solution until pH: 7. The products were characterized by X-ray deffractometer and FTIR Spectroscopy.Results showed that porousitas of silica increased with increasing medium acidity ( decreasing pH medium).Immobilization thiol or amino group in silica added a functional group on silica but did not destroy primary structure of silica gel.Key Words: Silica Gel, Rice Hull Ash, 3-mercaptopropyltrimethoxysilane, 3-aminopropyl-trimethoxysilane.
Fulltext View|Download
Keywords: Silica Gel; Rice Hull Ash; 3-mercaptopropyltrimethoxysilane; 3-aminopropyltrimethoxysilane

Article Metrics:

  1. Brinker, C.J., dan W.J. Scherer, 1990, Sol-Gel Science: The Physics and Chemistry of SolGel Processing, Academic Press, san Diego
  2. Cestari, A.R., E.F.S. Vieira, J.A. Simoni, C. Airoldi, 2000, Thermpchemical Investigation on the Adsorption of Some Divalent Cations on Modified Silicas Obtained feom Sol-gel Process, Thermochimica Acta, 348, 25 – 31
  3. Hamdan, H., 1992,”Introduction to Zeolites: Synthesis, Characterization and Modification,” Universiti Teknologi Malaysia, Kualalumpur
  4. Kaim, W., and Schwederski, B., 1994, Bioinorganic Chemistry: Inorganic Element in the Chemistry of Life An Introduction and Guide, John Wiley & Sons Inc, Chichester
  5. Kalapathy, U., A. Proctor and J. Shultz, 2000, A Simple Method For Production of Pure Silica From Rice Hull Ash, Bioresource Technology 73, 257-262
  6. Oscik, J., 1982, Adsorption, Ellis Horwood Limited, Chichester
  7. Silverstein, R. M., G. C. Bassler and T. C. Morril, 1991, Spectrometric Identification of Organic Compound, 5th ed, John Wiley & Sons, Inc., New York
  8. Yang, R.T., 2003, Adsorbents: Fundamentals And Applications, John Wiley & Sons, Inc., Hoboken, New Jersey

Last update: 2021-07-29 19:21:02

No citation recorded.

Last update: 2021-07-29 19:21:02

  1. Synthesis of nano-silica from boiler ash in the sugar cane industry using the precipitation method

    Indrasti N.S.. International Journal of Technology, 11 (2), 2020. doi: 10.14716/ijtech.v11i2.1741
  2. The characterization of potential adsorbents made of solid tofu waste immobilized on silica surface for removal of heavy metal ions

    Darmokoesoemo H.. Ecology, Environment and Conservation, 25 , 2019.