Venkatathri, N. ; Hegde, S. G. ; Sivasanker, S. (2004) Influence of various parameters on synthesis of AlPO4-5 molecular sieve using hexamethyleneimine template Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry, 43 (2). pp. 247-253. ISSN 0376-4710
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Abstract
AlPO4-5 has been synthesized in aqueous and nonaqueous (ethylene glycol) media using hexamethyleneimine (HEM) as template. The ideal gel composition for the synthesis of AlPO4-5 is Al2O3 : P2O5 : 1.16HEM : 45H2O. The influence of compositional variations on the product and the effect of pH and temperature on crystallization kinetics have been investigated. Varying the composition of the gel produces other aluminophosphates such as AlPO4-16, AlPO4-22, AlPO4-31 and SAPO-35. Crystallization is faster when HEM is used as the template than when triethylamine or cyclohexylamine is used. The crystallinity (X-ray) of the AlPO4-5 samples synthesized from the nonaqueous medium are higher than those obtained from aqueous media.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to National Institute of Science Communication and Information Resources. |
| ID Code: | 83369 |
| Deposited On: | 23 Jun 2012 14:06 |
| Last Modified: | 23 Jun 2012 14:06 |
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