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Homogeneous versus Heterogeneous Zeolite Nucleation
Author(s) -
Dokter Wim H.,
van Garderen Harold F.,
Beelen Theo P. M.,
van Santen Rutger A.,
Bras Wim
Publication year - 1995
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199500731
Subject(s) - nucleation , homogeneous , crystallization , fractal dimension , materials science , zeolite , scattering , chemical engineering , small angle scattering , chemical physics , small angle x ray scattering , fractal , chemistry , thermodynamics , optics , physics , catalysis , organic chemistry , mathematics , mathematical analysis , engineering
Aggregates of fractal dimension were found in the intermediate gel phases that organize prior to nucleation and crystallization (shown right) of silicalite from a homogeneous reaction mixture. Small‐ and wide‐angle X‐ray scattering studies prove that for zeolites nucleation may be homogeneous or heterogeneous.