Crystalline SUZ-4, with anhydrous composition K5Al5Si31O72, is hydrothermafly synthesized in a reaction mixture of SiO2, Al3, KOH, tetraethylammonium hydroxide and quinuclidine; its proposed framework topology is related to zeolites ferrierite and ZSM-57 and contains straight channels having apertures defined by rings of ten (Si,Al)–O species; a novel cage may as the site for non-exchangeable potassium ions.
S. L. Lawton, J. M. Bennett, J. L. Schlenker and M. K. Rubin, J. Chem. Soc., Chem. Commun., 1993, 894 DOI: 10.1039/C39930000894
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