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Synthesis and characterization of tin oxide-modified mesoporous SBA-15 molecular sieves and catalytic activity in trans-esterification reaction

โœ Scribed by Pallavi Shah; Arumugamangalam V. Ramaswamy; Karoly Lazar; Veda Ramaswamy


Book ID
108054871
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
316 KB
Volume
273
Category
Article
ISSN
0926-860X

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Synthesis of tin-silicalite molecular si
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Tin-containing, medium pore molecular sieves (Si/Sn ratios above 40) with MEL structure have been synthesized hydrothermally and characterized by a variety of techniques. Changes in unit cell volume (XRD) account for about 20% of Sn 4 + ions in possible tetrahedral positions, l l9Sn MAS-NMR spectra,