Energy dispersive X-ray diffraction (EDXRD) techniques are applied to study the development of crystalline phases during the synthesis of microporous materials. We present data for both zeolite A and AlPO-5 systems. We explore the effects of template concentration and of temperature. The measured activation energy for zeolite A of ∼58 kJ mol -1 accords well with that observed for other silicate systems. The kinetics revealed by our study accord with the nucleation/growth model of the Avrami−Erofeev treatment.
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Davies et al. (1997) studied this question.
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