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Proton Sites in Keggin Heteropoly Acids from 17O NMR Full article

Общее Language: Английский, Genre: Full article,
Status: Published, Source type: Original
Journal Catalysis Letters
ISSN: 1011-372X , E-ISSN: 1572-879X
Output data Year: 1995, Volume: 34, Number: 1-2, Pages: 213-221 Pages count : 9 DOI: 10.1007/BF00808336
Tags 17O MAS and solution NMR, determination of proton sites, tungsten heteropoly acids
Authors Kozhevnikov I.V. 1 , Sinnema A. 2 , van Bekkum H. 2
Affiliations
1 Boreskov Institute of Catalysis, 630090 Novosibirsk, Russia
2 Laboratory of Organic Chemistry and Catalysis, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands

Abstract: The structure of the bulk proton sites in dehydrated solid Keggin-type heteropoly acids (HPA) H3PW12O40 and H4SiW12O40 was determined by 17O NMR. The terminal W=O oxygen atoms in Keggin heteropolyanions were found to be the predominant protonation sites. The protonation of HP As in solution is also discussed on the basis of 17O NMR data.
Cite: Kozhevnikov I.V. , Sinnema A. , van Bekkum H.
Proton Sites in Keggin Heteropoly Acids from 17O NMR
Catalysis Letters. 1995. V.34. N1-2. P.213-221. DOI: 10.1007/BF00808336 publication_identifier_short.wos_identifier_type publication_identifier_short.scopus_identifier_type publication_identifier_short.rinz_identifier_type
Dates:
Published print: Mar 1, 1995
Submitted: Jun 2, 1995
Accepted: Jun 15, 1995
Identifiers:
publication_identifier.wos_identifier_type WOS:A1995RT56000022
publication_identifier.scopus_identifier_type 2-s2.0-0001456647
publication_identifier.rinz_identifier_type 30800652
publication_identifier.accession_number_identifier_type 1995:792473
publication_identifier.chemical_accession_number_identifier_type 123:267537
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