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Silicon‐29 Magic Angle Spinning Nuclear Magnetic Resonance Study of Calcium Silicate Hydrates
Abstract
The reaction products formed in a series of fully “equilibrated,” roomtemperature‐hydrated, fumed colloidal silica plus lime water mixtures were examined using 29 Si magic angle spinning nuclear magnetic resonance. The data suggest that two structurally distinct calcium silicate hydrate (C‐S‐H) phases exist in the system CaO–SiO 2 –H 2 O. The more silica‐rich C‐S‐H (Ca/Si = 0.65 to 1.0) consists predominantly of long chains of silica tetrahedra (Q 2 middle units) similar to those found in 1.4‐nm tobermorite. The studied more lime‐rich C‐S‐H (Ca / Si = 1.1 to 1.3) consists of a mixture of dimer (Q 1 ) and shorter chains (Q 1 end units and Q 2 middle units) similar to that reported for synthetic jennite. No monomer units (Q 0 ) were detected.
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Citations
Cited by
Structure of Calcium Silicate Hydrate (C‐S‐H): Near‐, Mid‐, and Far‐Infrared Spectroscopy
Yu, P., Kirkpatrick, R. J., Poe, B., McMillan, P. F., & Cong, X. (1999) · Journal of the American Ceramic Society · doi:10.1111/j.1151-2916.1999.tb01826.x · Cited by 1,640
Alkali-activated fly ash/slag cements
Puertas, F., Martı́nez-Ramı́rez, S., Alonso, S., & Vázquez, T. (2000) · Cement and Concrete Research · doi:10.1016/s0008-8846(00)00298-2 · Cited by 921
29Si MAS NMR study of the structure of calcium silicate hydrate
Cong, X., & Kirkpatrick, R. J. (1996) · Advanced Cement Based Materials · doi:10.1016/s1065-7355(96)90046-2 · Cited by 678
Dehydration and rehydration processes of cement paste exposed to high temperature environments
Alonso, C., & Fernandez, L. (2004) · Journal of Materials Science · doi:10.1023/b:jmsc.0000025827.65956.18 · Cited by 623
Carbonation of C–S–H and C–A–S–H samples studied by 13C, 27Al and 29Si MAS NMR spectroscopy
Sevelsted, T. F., & Skibsted, J. (2015) · Cement and Concrete Research · doi:10.1016/j.cemconres.2015.01.019 · Cited by 558
Metadata
- Authors
- Grutzeck, M., Benesi, A., & Fanning, B.
- Venue
- Journal of the American Ceramic Society
- Publisher
- Wiley
- Published
- 1989-04
- Volume
- 72
- Issue
- 4
- Pages
- 665-668
- ISSN
- 0002-7820 (ISSN-L)
- 1551-2916
- OpenAlex
- W2169100778
- Cited by
- 196
- References
- 0
- FWCI
- 17.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Silicon‐29 Magic Angle Spinning Nuclear Magnetic Resonance Study of Calcium Silicate Hydrates. https://app.cochat.ai/papers/10.1111/j.1151-2916.1989.tb06192.x
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- Grutzeck, M., Benesi, A., & Fanning, B. (1989). Silicon‐29 Magic Angle Spinning Nuclear Magnetic Resonance Study of Calcium Silicate Hydrates. Journal of the American Ceramic Society. https://doi.org/10.1111/j.1151-2916.1989.tb06192.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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