Showing papers in "Acta Crystallographica in 1973"

A Statistical Comparison of a Series of Isotypic Structures as Determined by the Powder Method

Abstract: The differences between the structural parameters of a series of hydrated and dehydrated X and Y zeolites with varying Si/Al ratio and saturated with potassium, as reported in previous studies, are examined statistically. Indications are found of larger framework distortions in the dehydrated state, as compared to the hydrated state. The changes in the occupancy factors of the different ion-exchange sites in the samples with varying aluminum content are valid, but the population figures must be treated carefully.