| abstract |
A method for preparing a tin-containing zeolitic material having framework type BEA, comprising preparing an aqueous synthesis mixture comprising a boron source, a silicon source, and a BEA structure directing agent; hydrothermal precrystallization of the prepared synthesis mixture Subjecting to conditions; adding a tin source to the resulting mixture; subjecting the resulting aqueous synthesis mixture to hydrothermal crystallization conditions to obtain a tin-containing zeolitic material having a framework BEA contained in its mother liquor Including methods. [Selection figure] None |