Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Articles
Aluminium-27 NMR Investigation of the 2-Hydroxyethyl(trimethyl)ammonium Aluminosilicate Solution
Abdolraouf Samadi-MaybodiNasser GoudarziHossein Naderi-Manesh
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2006 Volume 79 Issue 2 Pages 276-281

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Abstract

Alkaline solutions containing both silicate and aluminate ions are of considerable research interest inter alia because of their involvement in the synthesis of zeolites. 27Al NMR spectra of alkaline aluminosilicate solutions generally show a maximum of five broad bands. In the present work, we use 27Al NMR to characterize aluminosilicate solutions with different Al/Si ratios using 2-hydroxyethyl(trimethyl)ammonium as a cation template, no alkaline metals are used for preparation of aluminosilicate solutions. To understand the reaction between silicate and aluminate ions in this system, the evolutions of 27Al NMR spectra with time are investigated.

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© 2006 The Chemical Society of Japan
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