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Conductance studies on sodium silicates


Lee, C. K. and Dent Glasser, L. S. (1975) Conductance studies on sodium silicates. Journal of Applied Chemistry and Biotechnology, 25 (6). pp. 427-440. ISSN 0375-9210


Sodium silicate solutions with silicon dioxide: sodium monoxide mole ratios of 3.41 : 1 and 3.98 : 1 were dried to form gels. Some conductance studies were carried out on the sodium silicate as it dried, and when the dried material was heated up to 160 °C. The results suggest that conduction is mainly due to sodium ions both in the solution and in the gel; to this extent the mechanism of con, duction is similar to that in sodium silicate glasses. However, the gel has a much higher conductance than a glass of similar Na2O : SiO2 ratio, and this is probably because the gel contains hydroxyl ions and hydrated silicate ions, whereas the glass does not; moreover, the gel has a much less tightly packed structure than does the glass.

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Additional Metadata

Item Type: Article
Divisions: Universiti Pertanian Malaysia
DOI Number: https://doi.org/10.1002/jctb.5020250605
Publisher: Wiley
Keywords: Sodium silicate
Depositing User: Azhar Abdul Rahman
Date Deposited: 22 Apr 2015 06:04
Last Modified: 22 Apr 2015 06:04
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1002/jctb.5020250605
URI: http://psasir.upm.edu.my/id/eprint/34048
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