A report in the research. The position of the bar by vibration of double five ring of pentasil of ZSM-5 that wave number about 537 cm-1 bar vibration internal. Asymmetric stretching of T-O-T of zeolite. When T = Si or Al the wave number about 1 070-1,,090 780-792 and cm-1 and bar vibration O-H stretching of H2O O-H stretching silane and the digital of zeolite, wave number, and about 3 650 3 450 cm-1,, Respectively, the aluminum content that removed at different concentrations and 1.0 2.0 M no difference of infrared spectra significantly. The crystallinity of ZSM-5 considering the intensity of energy band T-O-T found that both catalyst concentration. Comparable.
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