Highly porous silica network prepared from sodium metasilicate

Authors

  • Rnobong R. Essien Department of Chemical Sciences, College of Natural Sciences, Bells University of Technology
  • Oluyemi A. Olaniyi Department of Chemical Sciences, College of Natural Sciences, Bells University of Technology
  • Luqman A. Adams Faculty of Science, University of Lagos
  • Rafiu O. Shaibu Faculty of Science, University of Lagos

Keywords:

Silica particles, Sodium metasilica, Commercial precursor, Porous network

Abstract

Porous silica network was prepared from sodium metasilicate (Na2SiO3) at room temperature (27°C) using hydrochloric acid (HCl) as catalyst through the sol-gel method. The gel was dried at 120°C for 1 day and calcined at 800°C for 3 hours and the material obtained characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). The results showed the formation of amorphous silica particles of average sizes 598 nm with ordered porous network of pore sizes ranging from 0.18-0.91 μm. This synthetic route uses sodium metasilicate as commercial precursor without pore forming templates which could be useful for large scale production.

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Published

2011-12-31

How to Cite

[1]
R. R. Essien, O. A. . Olaniyi, L. A. . Adams, and R. O. . Shaibu, “Highly porous silica network prepared from sodium metasilicate”, J Met Mater Miner, vol. 21, no. 2, Dec. 2011.

Issue

Vol. 21 No. 2 (2011)

Section

Original Research Articles

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