Preparation of silica monolith via sol-gel route |
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| Authors: | A Gupta K Biswas A Basu Mallick S Mukherjee G C Das |
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| Affiliation: | (1) Department of Metallurgical Engineering, Jadavpur University, 700 032 Calcutta, India;(2) Department of Metallurgical Engineering, Bengal Engineering College, 711 103 Howrah, India |
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| Abstract: | The present investigation deals with the synthesis of monolithic NiCl2-silica gels obtained by hydrolysis and polycondensation of tetraethoxy silanes. This sol to gel formation can mainly be controlled by adjusting some variables e.g. acid content of the solution, ageing and leaching times. A minimum acid content was found necessary to prepare uncracked gel while ageing and leaching times were found to be not that sensitive for the formation of uncracked gels. |
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| Keywords: | Monolith sol-gel |
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