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A postsynthesis method has been developed to prepare various metallosilicates structurally analogous to MCM-56 from corresponding lamellar precursors made up of MWW sheets. The precursors were converted into high crystalline MCM-56 analogues readily by a controlled acid treatment. Acid-treating the MWW precursors at lower temperatures (<353K) led to MCM-56 analogues even after further calcination,...
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