Standard

13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives. / Mazur, Anton; Tolstoy, Peter; Sotiriadis, Konstantinos.

In: Materials, Vol. 15, No. 6, 2004, 08.03.2022.

Research output: Contribution to journal › Article › peer-review

Harvard

Mazur, A, Tolstoy, P & Sotiriadis, K 2022, '13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives', Materials, vol. 15, no. 6, 2004. https://doi.org/10.3390/ma15062004

APA

Mazur, A., Tolstoy, P., & Sotiriadis, K. (2022). 13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives. Materials, 15(6), [2004]. https://doi.org/10.3390/ma15062004

Vancouver

Mazur A, Tolstoy P, Sotiriadis K. 13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives. Materials. 2022 Mar 8;15(6). 2004. https://doi.org/10.3390/ma15062004

Author

Mazur, Anton ; Tolstoy, Peter ; Sotiriadis, Konstantinos. / 13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives. In: Materials. 2022 ; Vol. 15, No. 6.

BibTeX

@article{c6c83eabf40f4fe19633f4df9cc62fd8,
title = "13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives",
abstract = "The hydration kinetics of Portland-limestone cement pastes with organic additives in the form of acetic acid and sodium acetate were studied by using solid-state13С,27Al and29Si NMR spectroscopy. The evolution of the relative content of various phases was monitored over the pe-riod of one month: amorphous and crystalline calcite (in13C spectra), ettringite, aluminum in C-S-H gel, calcium aluminates and calcium hydroaluminates (in27Al spectra), as well as alite, belite and silicon in C-S-H gel (in29Si spectra). The retarding effect of the additives on cement hydration at early age was demonstrated. We show that the kinetics of phase assemblage formation is influ-enced by the acetate ion adsorption on the surface of the anhydrous cement components and hy-drated phases. The kinetics of formation of ettringite in the cement paste, depending on the addition of acetic and or sodium acetate, is discussed in the context of potential thaumasite sulfate attack.",
keywords = "Hydration kinetics, NMR spectroscopy, Organic additives, Portland-limestone cement, SILICATE PHASES, MINERALS, BEHAVIOR, IONS, hydration kinetics, ACETIC-ACID, ALUMINUM, CARBONATE, CHEMISTRY, organic additives, MAS NMR, MICROSTRUCTURE",
author = "Anton Mazur and Peter Tolstoy and Konstantinos Sotiriadis",
note = "Publisher Copyright: {\textcopyright} 2022 by the authors. Licensee MDPI, Basel, Switzerland.",
year = "2022",
month = mar,
day = "8",
doi = "10.3390/ma15062004",
language = "English",
volume = "15",
journal = "Materials",
issn = "1996-1944",
publisher = "MDPI AG",
number = "6",

}

RIS

TY - JOUR

T1 - 13 С,27 Al and 29 Si NMR Investigation of the Hydration Kinetics of Portland-Limestone Cement Pastes Containing CH3-COO−-R+ (R=H or Na) Additives

AU - Mazur, Anton

AU - Tolstoy, Peter

AU - Sotiriadis, Konstantinos

N1 - Publisher Copyright: © 2022 by the authors. Licensee MDPI, Basel, Switzerland.

PY - 2022/3/8

Y1 - 2022/3/8

N2 - The hydration kinetics of Portland-limestone cement pastes with organic additives in the form of acetic acid and sodium acetate were studied by using solid-state13С,27Al and29Si NMR spectroscopy. The evolution of the relative content of various phases was monitored over the pe-riod of one month: amorphous and crystalline calcite (in13C spectra), ettringite, aluminum in C-S-H gel, calcium aluminates and calcium hydroaluminates (in27Al spectra), as well as alite, belite and silicon in C-S-H gel (in29Si spectra). The retarding effect of the additives on cement hydration at early age was demonstrated. We show that the kinetics of phase assemblage formation is influ-enced by the acetate ion adsorption on the surface of the anhydrous cement components and hy-drated phases. The kinetics of formation of ettringite in the cement paste, depending on the addition of acetic and or sodium acetate, is discussed in the context of potential thaumasite sulfate attack.

AB - The hydration kinetics of Portland-limestone cement pastes with organic additives in the form of acetic acid and sodium acetate were studied by using solid-state13С,27Al and29Si NMR spectroscopy. The evolution of the relative content of various phases was monitored over the pe-riod of one month: amorphous and crystalline calcite (in13C spectra), ettringite, aluminum in C-S-H gel, calcium aluminates and calcium hydroaluminates (in27Al spectra), as well as alite, belite and silicon in C-S-H gel (in29Si spectra). The retarding effect of the additives on cement hydration at early age was demonstrated. We show that the kinetics of phase assemblage formation is influ-enced by the acetate ion adsorption on the surface of the anhydrous cement components and hy-drated phases. The kinetics of formation of ettringite in the cement paste, depending on the addition of acetic and or sodium acetate, is discussed in the context of potential thaumasite sulfate attack.

KW - Hydration kinetics

KW - NMR spectroscopy

KW - Organic additives

KW - Portland-limestone cement

KW - SILICATE PHASES

KW - MINERALS

KW - BEHAVIOR

KW - IONS

KW - hydration kinetics

KW - ACETIC-ACID

KW - ALUMINUM

KW - CARBONATE

KW - CHEMISTRY

KW - organic additives

KW - MAS NMR

KW - MICROSTRUCTURE

UR - http://www.scopus.com/inward/record.url?scp=85126448095&partnerID=8YFLogxK

U2 - 10.3390/ma15062004

DO - 10.3390/ma15062004

M3 - Article

C2 - 35329455

AN - SCOPUS:85126448095

VL - 15

JO - Materials

JF - Materials

SN - 1996-1944

IS - 6

M1 - 2004

ER -

ID: 94249809