| Literature DB >> 8970090 |
H Zanni1, R Rassem-Bertolo, S Masse, L Fernandez, P Nieto, B Bresson.
Abstract
NMR spectroscopy is applied to study microstructure of calcium silicate hydrates present in cement and concrete. It is shown that 29Si NMR gives information on the siliceous skeleton of the hydrates. 1H NMR, using CRAMPS techniques, allows to discriminate between protons linked to silicon atoms or to calcium atoms. A first investigation of reference compounds indicates that 43Ca NMR will be powerful to determine calcium atom sites in the structure.Entities:
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Year: 1996 PMID： 8970090 DOI： 10.1016/s0730-725x(96)00211-1
Source DB: PubMed Journal: Magn Reson Imaging ISSN： 0730-725X Impact factor: 2.546