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Synthesis, characterization and catalytic activity of ZAPO-5 and ZAPO-11

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Abstract

Zinc containing aluminophosphates (ZAPO-5 and ZAPO-11) were synthesized hydrothermally using triethylamine and dipropylamine as templates. Structures were confirmed from X-ray powder patterns and unit cell parameters were calculated by a standard least-squares refinement technique. The isomorphous substitution of zinc in the aluminophosphate framework is evidenced by the considerable increase in unit cell volume and from MAS-NMR spectra. Acidity was determined by the TPD-TGA method which shows three different strengths of acid sites. FT-IR, chemical analysis and BET surface area were also reported. The physico-chemical properties of the catalysts were correlated towards the vapour phase transformation of camphene and the results are fully discussed.

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Authors and Affiliations

  1. Department of Chemistry, Anna University, 600 025, Madras, India

    S. P. Elangovan, V. Krishnasamy & V. Murugesan

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  1. S. P. Elangovan
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  2. V. Krishnasamy
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  3. V. Murugesan
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Elangovan, S.P., Krishnasamy, V. & Murugesan, V. Synthesis, characterization and catalytic activity of ZAPO-5 and ZAPO-11. Catal Lett 36, 271–277 (1996). https://doi.org/10.1007/BF00807632

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  • DOI: https://doi.org/10.1007/BF00807632

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