Conclusions
The x-ray diffractograms of high-silica Y zeolites have four reflections whose relative intensities correlate with the framework composition, and this relationship can be used to evaluate the Si/Al ratio in Y zeolites.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1497–1501, July, 1988.
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Mishin, I.V., Beyer, H.K., Ashavskaya, G.A. et al. Simplified x-ray diffraction method for determining the framework composition of high-silica faujasites. Russ Chem Bull 37, 1321–1324 (1988). https://doi.org/10.1007/BF00962730
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DOI: https://doi.org/10.1007/BF00962730