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Electron diffraction and infrared spectroscopy of amorphous aluminosilicate gels

Electron diffraction, thermal analysis and FTIR spectroscopy were used in the study of structural properties of x-ray amorphous sodium(G1) and potassium(G5) aluminosilicate gels. Results of the analysis showed that the x-ray amorphous gels contain structurally ordered regions, or particles of partly-crystalline phase which can be destroyed by heating at appropriate temperature. The partly-crystalline phase exhibit structural properties of zeolites, and thus can act as potential nuclei in zeolite crystallization. The influence of the observed structural properties of gels on the results of their hydrothermal treatment(type(s) of zeolite(s) formed, rate of crystallization, particulate properties of crystalline end product(s)) is discussed.

Amorphous aluminosilicate gel, electron diffraction, FTIR spectroscopy

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