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  Nucleation of ITQ-21 Studied by ESI-MS

Schaack, B. B., Schrader, W., Corma, A., & Schüth, F. (2009). Nucleation of ITQ-21 Studied by ESI-MS. Chemistry of Materials, 21(19), 4448-4453. doi:10.1021/cm901051u.

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 Creators:
Schaack, Bernd Bastian1, Author              
Schrader, Wolfgang2, Author              
Corma, Avelino3, Author
Schüth, Ferdi1, Author              
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
2Service Department Schrader (MS), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445629              
3Instituto de Tecnología Química, UPV-CSIC, Universidad Politécnica de Valencia, Valenica, Spain, ou_persistent22              

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 Abstract: The nucleation pathway of zeolite ITQ-21 was studied by using electrospray ionization mass spectrometry (ESI-MS). The syntheses were performed with different silicon to germanium ratios and with different mineralizing agents. Silicate species with structural characteristics of the obtained material were found to occur already in solution, immediately before nucleation. In addition, by using fluoride (F) or hydroxide ions (OH) as mineralizing agents, it was possible to determine their influence on the nucleation pathway. In particular, a reaction-rate-accelerating rather than a structure-directing effect was determined for F.

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Language(s): eng - English
 Dates: 2009-04-162009-09-012009-10-13
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/cm901051u
 Degree: -

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Title: Chemistry of Materials
  Abbreviation : Chem. Mater.
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Chemical Society
Pages: - Volume / Issue: 21 (19) Sequence Number: - Start / End Page: 4448 - 4453 Identifier: ISSN: 0897-4756
CoNE: https://pure.mpg.de/cone/journals/resource/954925561571