Crystallisation of silicalite-1 precursors in the amine–(C3H7)4NBr–SiO2–H2O system

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ID: 272732
1986
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Abstract
The crystallisation of alkali-metal-free silicalite-1 precursors from the PIPZ–TPABr–SiO2–H2O (PIPZ = piperazine, TPA = tetrapropylammonium) system has been investigated under static and stirred conditions. In many cases large rod-like crystals of (TPA, PIPZ)-silicalite-1 were obtained. The crystallisations were accompanied by decreases in pH caused by the incorporation of base in the crystals. Smaller pH decreases were observed when the PIPZ/SiO2 molar ratio was increased.
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Authors Stuart G. Fegan,Barrie M. Lowe;Stuart G. Fegan;Barrie M. Lowe;
Journal journal of the chemical society, faraday transactions 1: physical chemistry in condensed phases
Year 1986
DOI
10.1039/f19868200801
URL
https://sciprofiles.com/publication/view/317c2f3bcf9dc7d5278c9f29f2676e39
Keywords
molar crystallisation static smaller silicalite h2o 4nbr tetrapropylammonium pipz/sio2

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