FIELD: molecular sieves. SUBSTANCE: invention relates to composition of various-alkalinity synthesis mixtures forming nonspherical fine MFI crystals. Zeolite MFI is prepared via crystallization of mixture obtained by mixing two solutions with different OH/SiO2 ratios and different ratio of organic template to silica. EFFECT: enabled preparation of crystals capable of forming stable colloidal suspension. 17 cl, 1 tbl
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