The influence of various pH values on the aerogel physical properties by sol -gel technique
Other Title(s)
تأثير قيم pH المختلفة على الخصائص الفيزيائية للأيروجل بواسطة تقنية سول-جل
Joint Authors
Shihab, Baha Fakhri
Tuwayj, Wisam Abd Ali
Source
Issue
Vol. 17, Issue 41 (31 Aug. 2019), pp.75-81, 7 p.
Publisher
University of Baghdad College of Science
Publication Date
2019-08-31
Country of Publication
Iraq
No. of Pages
7
Main Subjects
Topics
Abstract EN
Hydrophobic silica aerogels were successfully preparation by an ambient pressure drying method from sodium silicate (Na2SiO3) with different pH values (5, 6, 7, 8, 9 and 10).
In this study, acidic HCl (1M), a basic NH4OH (1M) were selected as a catalyst to perform the surface modification in a TMCS (trimethylchlorosilane) solution.
The surface chemical modification of the aerogels was assured by the Fourier transform infrared (FTIR) spectroscopic studies.
Other physical properties, such as pore volume and pore size and specific surface area were determined by Brunauer-Emmett- Teller (BET) method.
The effect of pH values on the bulk density of aerogel.
The sol–gel parameter pH value in the sol, have marked effects on the physical properties of the silica aerogels produced by this technique.
The density and the hydrophobic tendency of the aerogels were significantly influenced.
American Psychological Association (APA)
Shihab, Baha Fakhri& Tuwayj, Wisam Abd Ali. 2019. The influence of various pH values on the aerogel physical properties by sol -gel technique. Iraqi Journal of Physics،Vol. 17, no. 41, pp.75-81.
https://search.emarefa.net/detail/BIM-892476
Modern Language Association (MLA)
Shihab, Baha Fakhri& Tuwayj, Wisam Abd Ali. The influence of various pH values on the aerogel physical properties by sol -gel technique. Iraqi Journal of Physics Vol. 17, no. 41 (2019), pp.75-81.
https://search.emarefa.net/detail/BIM-892476
American Medical Association (AMA)
Shihab, Baha Fakhri& Tuwayj, Wisam Abd Ali. The influence of various pH values on the aerogel physical properties by sol -gel technique. Iraqi Journal of Physics. 2019. Vol. 17, no. 41, pp.75-81.
https://search.emarefa.net/detail/BIM-892476
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 81
Record ID
BIM-892476