DOI: 10.1680/adcr.1997.9.36.167. Modelling the impact of abundant geochemical components on phase stability and solubility of the CaO—SiO2—H2O system at 25°C: Na+, K+, SO42-, Cl- and CO32 -

Modelling the impact of abundant geochemical components on phase stability and solubility of the CaO—SiO2—H2O system at 25°C: Na+, K+, SO42-, Cl- and CO32 -

10.1680/adcr.1997.9.36.167

Crossref journal-article

Emerald

Advances in Cement Research (140)

Abstract

A model for the CaO—SiO2—H2O system at 25°C is proposed, and based upon this, more complex systems including the effect of SO42-, Cl-, CO32-, Na+ and K+ on phase relations and solubilities in the title system have been calculated by thermodynamic modelling. At sea-water concentrations of NaCl, mixed sea-water-pore fluid compositions enhance the solubility of calcium from Ca(OH)2 and C-S-H but do not otherwise affect the stabilities of these phases. Carbonate and sulfate, on the other hand, react strongly with cement substances both with and without sodium being present; the complex solubility and reaction paths are quantified. Comparison of calculated reactions with literature data are made where possible; generally good agreement is obtained.

Bibliography

Stronach, S. A., & Glasser, F. P. (1997). Modelling the impact of abundant geochemical components on phase stability and solubility of the CaOâSiO2âH2O system at 25Â°C: Na+, K+, SO42-, Cl- and CO32 -. Advances in Cement Research, 9(36), 167â181.

Authors 2

S. A. Stronach (first)
F. P. Glasser (additional)

References 0 Referenced 71

None

Dates

Type	When
Created	13 years, 1 month ago (July 17, 2012, 6:26 p.m.)
Deposited	1 month ago (July 24, 2025, 5:21 p.m.)
Indexed	3 weeks ago (Aug. 6, 2025, 9:17 a.m.)
Issued	27 years, 10 months ago (Oct. 1, 1997)
Published	27 years, 10 months ago (Oct. 1, 1997)
Published Print	27 years, 10 months ago (Oct. 1, 1997)

Funders 0

None

BibTeX

@article{Stronach_1997, title={Modelling the impact of abundant geochemical components on phase stability and solubility of the CaO—SiO2—H2O system at 25°C: Na+, K+, SO42-, Cl- and CO32 -}, volume={9}, ISSN={1751-7605}, url={http://dx.doi.org/10.1680/adcr.1997.9.36.167}, DOI={10.1680/adcr.1997.9.36.167}, number={36}, journal={Advances in Cement Research}, publisher={Emerald}, author={Stronach, S. A. and Glasser, F. P.}, year={1997}, month=oct, pages={167–181} }

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