Phase Assemblages in Hydrated Portland Cement, Calcined Clay and Limestone Blends From Solid-State 27Al and 29Si MAS NMR, XRD, and Thermodynamic Modeling

RILEM Bookseries - Calcined Clays for Sustainable Concrete ◽

10.1007/978-94-017-9939-3_14 ◽

2015 ◽

pp. 109-115 ◽

Author(s):

Zhuo Dai ◽

Wolfgang Kunther ◽

Sergio Ferreiro ◽

Duncan Herfort ◽

Jørgen Skibsted

Keyword(s):

Solid State ◽

Portland Cement ◽

Thermodynamic Modeling ◽

Mas Nmr ◽

29Si Mas Nmr ◽

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Thermodynamic modeling of hydrated white Portland cement–metakaolin–limestone blends utilizing hydration kinetics from 29Si MAS NMR spectroscopy

Cement and Concrete Research ◽

10.1016/j.cemconres.2016.04.012 ◽

2016 ◽

Vol 86 ◽

pp. 29-41 ◽

Author(s):

Wolfgang Kunther ◽

Zhuo Dai ◽

Jørgen Skibsted

Keyword(s):

Nmr Spectroscopy ◽

Portland Cement ◽

Thermodynamic Modeling ◽

Mas Nmr ◽

29Si Mas Nmr ◽

Hydration Kinetics ◽

White Portland Cement

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Solid-State Molecular Dynamics of (Ph3Si)Si(SiMe3)3 Studied by Variable Temperature 13C and 29Si MAS NMR Spectroscopy

Silicon Chemistry ◽

10.1007/978-3-7091-6357-3_14 ◽

1999 ◽

pp. 147-156

Author(s):

Xavier Helluy ◽

Jörg Kümmerlen ◽

Christoph Marschner ◽

Angelika Sebald

Keyword(s):

Molecular Dynamics ◽

Solid State ◽

Nmr Spectroscopy ◽

Variable Temperature ◽

Mas Nmr ◽

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Investigation of Pozzolanic Reaction in Nanosilica-Cement Blended Pastes Based on Solid-State Kinetic Models and 29Si MAS NMR

Materials ◽

10.3390/ma9020099 ◽

2016 ◽

Vol 9 (2) ◽

pp. 99 ◽

Author(s):

Jiho Moon ◽

Mahmoud Taha ◽

Kwang-Soo Youm ◽

Jung Kim

Keyword(s):

Solid State ◽

Kinetic Models ◽

Pozzolanic Reaction ◽

Mas Nmr ◽

29Si Mas Nmr ◽

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Characterization of white Portland cement hydration and the C-S-H structure in the presence of sodium aluminate by 27Al and 29Si MAS NMR spectroscopy

Cement and Concrete Research ◽

10.1016/j.cemconres.2003.10.009 ◽

2004 ◽

Vol 34 (5) ◽

pp. 857-868 ◽

Author(s):

Morten Daugaard Andersen ◽

Hans J. Jakobsen ◽

Jørgen Skibsted

Keyword(s):

Nmr Spectroscopy ◽

Portland Cement ◽

Cement Hydration ◽

Sodium Aluminate ◽

Mas Nmr ◽

29Si Mas Nmr ◽

White Portland Cement ◽

Portland Cement Hydration

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29Si MAS NMR studies of portland cement components and effects of microsilica on the hydration reaction

Cement and Concrete Research ◽

10.1016/0008-8846(88)90104-4 ◽

1988 ◽

Vol 18 (5) ◽

pp. 789-798 ◽

Author(s):

J. Hjorth ◽

J. Skibsted ◽

H.J. Jakobsen

Keyword(s):

Portland Cement ◽

Mas Nmr ◽

Hydration Reaction ◽

29Si Mas Nmr ◽

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Solid-State Molecular Dynamics of (Ph3Si)Si(SiMe3)3 Studied by Variable Temperature 13C and 29Si MAS NMR Spectroscopy

Monatshefte für Chemie - Chemical Monthly ◽

10.1007/pl00000116 ◽

1999 ◽

Vol 130 (1) ◽

pp. 147-156

Author(s):

Xavier Helluy ◽

Jörg Kümmerlen ◽

Christoph Marschner ◽

Angelika Sebald

Keyword(s):

Molecular Dynamics ◽

Solid State ◽

Nmr Spectroscopy ◽

Variable Temperature ◽

Mas Nmr ◽

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13C chemical shift anisotropies for carbonate ions in cement minerals and the use of 13C, 27Al and 29Si MAS NMR in studies of Portland cement including limestone additions

Cement and Concrete Research ◽

10.1016/j.cemconres.2013.05.010 ◽

2013 ◽

Vol 52 ◽

pp. 100-111 ◽

Author(s):

Tine F. Sevelsted ◽

Duncan Herfort ◽

Jørgen Skibsted

Keyword(s):

Chemical Shift ◽

Portland Cement ◽

Mas Nmr ◽

29Si Mas Nmr ◽

Carbonate Ions ◽

13C Chemical Shift

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Solid-state 13C and 29Si MAS NMR spectroscopy of silicon carbide

Colloids and Surfaces A Physicochemical and Engineering Aspects ◽

10.1016/0927-7757(96)03735-1 ◽

1996 ◽

Vol 118 (1-2) ◽

pp. 171-181 ◽

Author(s):

Cecil Dybowski ◽

Edward J. Gaffney ◽

Ali Sayir ◽

Martin J. Rabinowitz

Keyword(s):

Silicon Carbide ◽

Solid State ◽

Nmr Spectroscopy ◽

Mas Nmr ◽

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Solid-state 29Si MAS NMR studies of diatoms: structural characterization of biosilica deposits

Analytical and Bioanalytical Chemistry ◽

10.1007/s00216-003-1769-5 ◽

2003 ◽

Vol 375 (5) ◽

pp. 630-634 ◽

Author(s):

R. Bertermann ◽

N. Kröger ◽

R. Tacke

Keyword(s):

Solid State ◽

Structural Characterization ◽

Mas Nmr ◽

29Si Mas Nmr ◽

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The Nature of Chemisorbed CO2 in Zeolite A

10.26434/chemrxiv.7422815 ◽

2019 ◽

Author(s):

Przemyslaw Rzepka ◽

Zoltán Bacsik ◽

Andrew J. Pell ◽

Niklas Hedin ◽

Aleksander Jaworski

Keyword(s):

Solid State ◽

Ir Spectroscopy ◽

Quantum Chemical Calculations ◽

Quantum Chemical ◽

Surface Coverage ◽

Gas Mixtures ◽

Mas Nmr ◽

Significant Fraction ◽

Formation of CO<sub>3</sub><sup>2-</sup> and HCO<sub>3</sub><sup>-</sup> species without participation of the framework oxygen atoms upon chemisorption of CO<sub>2</sub> in zeolite |Na<sub>12</sub>|-A is revealed. The transfer of O and H atoms is very likely to have proceeded via the involvement of residual H<sub>2</sub>O or acid groups. A combined study by solid-state <sup>13</sup>C MAS NMR, quantum chemical calculations, and <i>in situ</i> IR spectroscopy showed that the chemisorption mainly occurred by the formation of HCO<sub>3</sub><sup>-</sup>. However, at a low surface coverage of physisorbed and acidic CO<sub>2</sub>, a significant fraction of the HCO<sub>3</sub><sup>-</sup> was deprotonated and transformed into CO<sub>3</sub><sup>2-</sup>. We expect that similar chemisorption of CO<sub>2</sub> would occur for low-silica zeolites and other basic silicates of interest for the capture of CO<sub>2</sub> from gas mixtures.

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