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article
Caracterización estructural mediante difracción de rayos X de polvo de la zeolita Beta: un análisis por el método Le Bail
Abstract
Beta zeolite was prepared for hydrothermal synthesis with a crystallization time of 20 hours. The resulting material was characterized by X-Ray Powder Diffraction (XRD). The indexing of the pattern with the DICVOL-14 software indicated the existence of two phases for this zeolite. The most crystalline phase is tetragonal with the unit cell parameters: .=4,124(1) Å, .=13,214(6) Å and .=224,8(1) Å.; whereas the other phase, with a major amorphous character, exhibits a monoclinic unit cell with parameters: .=11,760(2) Å, .=7,455(7) Å, .=13,538(7) Å, β=105,1(1)º and .=1146(1) Å.. The excellent agreement obtained by Le Bail Method allowed corroborating the contribution of the two phases in the experimental diffraction pattern.