Experiments utilizing several different characterization techniques as a function of time, including chemical analyses,Raman spectra, x-ray diffraction, sorption and particle size measurements, have been performed to determine the mechanistic pathway in 4A synthesis.The evidence supports a mechanism involving formation and subsequent dissolution of an amorphous aluminosilicate intermediate, with solution transport from the gel to the growth surface of the crystallite.

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ChemInform Abstract (39 papers, 1048 refs.).

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