| Download | - View accepted manuscript: Synthesis and characterisation of lithium and sodium doped C-S-H (PDF, 3.8 MiB)
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| Author | Search for: Mitchell, L. D.1; Search for: Margeson, J. C.1; Search for: Beaudoin, J. J.1 |
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| Affiliation | - National Research Council of Canada. NRC Institute for Research in Construction
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| Format | Text, Article |
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| Conference | 12th International Congress on the Chemistry of Cement, 8 July 2007, Montreal, QC. |
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| Subject | C-S-H; lithium; Concrete |
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| Abstract | Pure and doped calcium silicate hydrates (C-S-H) were synthesised and characterised. Pure preparations with calcium to silica (C/S) ratios ranging from 0.6 to 2.0 were made. Doped preparations with C/S ratios of 1.0 and 1.7 were synthesised with one molar lithium and sodium hydroxide solutions. Each preparation was characterised using Nuclear Magnetic Resonance (NMR), X-ray Diffraction (XRD), Fourier Transform InfraRed (FTIR) spectroscopy, and Scanning Electron Microscopy (SEM). As expected, results for the pure control C-S-H preparations largely agreed with published literature. The lithium and sodium doped preparations both contain residual Ca(OH)2, indicating that their final C/S ratio is not equal to that of the starting materials. The lithium-doped material at low C/S ratio (1.0) exhibits chemical and structural behaviour more consistent with a pure C-S-H having a higher C/S ratio (1.7). Sodium doped C-S-H exhibited characteristics consistent with that of the purer control preparations. |
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| Publication date | 2007-07-08 |
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| In | |
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| Language | English |
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| Peer reviewed | Yes |
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| NRC number | NRCC 50077
NRC-IRC-19242 |
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| NPARC number | 20377742 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 6ad50669-3e97-4c1d-bf15-0a47f0b5561e |
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| Record created | 2012-07-24 |
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| Record modified | 2020-05-10 |
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