Resumo
This work reports the characterization using solid-state NMR of the second generation of the UEC family of molecular sieves, such generation is composed by two tridimensional silicoaluminophosphates synthesized from a layered aluminophosphate (AlPO-CJ70). The 3D structures are analogous to SAPO-5 (UEC-4) and SAPO-15 (UEC-5), both were characterized using multinuclear solid-state NMR, 27Al-MQ-MAS and 29Si{27Al} TRAPDOR.

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Copyright (c) 2019 Heitor Secco Seleghini, Heloise de Oliveira Pastore