| 摘要 |
Process for the manufacture of crystalline solids comprising at least one element chosen from Groups IIIa, IVa and Va and at least one transition metal, according to which at least one source of oxide of the element from Groups IIIa, IVa and Va and at least one transition metal oxide source, which was dissolved beforehand in an alcohol having a pKa below that of water, are hydrolysed in an aqueous medium comprising a mineralizing agent and the gel thus obtained is crystallized in the presence of a structuring agent.
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