Thermodynamics for Polycarboxylate Macromolecule Interaction with Potassium Ferrocyanide and Applications to Portland Cement Paste Compressive Ability
A. El Gindy, A., El-Tonsy, M., Gomaa, E., Abdel Kader, H., Habib, A., Mohsen, A. (2023). Thermodynamics for Polycarboxylate Macromolecule Interaction with Potassium Ferrocyanide and Applications to Portland Cement Paste Compressive Ability. EKB Journal Management System, 61(3), 14-21. doi: 10.21608/mjcc.2023.411548
Asmaa A. El Gindy; Maher M El-Tonsy; Esam A. Gomaa; Hamid I. Abdel Kader; Amr O. Habib; Alaa Mohsen. "Thermodynamics for Polycarboxylate Macromolecule Interaction with Potassium Ferrocyanide and Applications to Portland Cement Paste Compressive Ability". EKB Journal Management System, 61, 3, 2023, 14-21. doi: 10.21608/mjcc.2023.411548
A. El Gindy, A., El-Tonsy, M., Gomaa, E., Abdel Kader, H., Habib, A., Mohsen, A. (2023). 'Thermodynamics for Polycarboxylate Macromolecule Interaction with Potassium Ferrocyanide and Applications to Portland Cement Paste Compressive Ability', EKB Journal Management System, 61(3), pp. 14-21. doi: 10.21608/mjcc.2023.411548
A. El Gindy, A., El-Tonsy, M., Gomaa, E., Abdel Kader, H., Habib, A., Mohsen, A. Thermodynamics for Polycarboxylate Macromolecule Interaction with Potassium Ferrocyanide and Applications to Portland Cement Paste Compressive Ability. EKB Journal Management System, 2023; 61(3): 14-21. doi: 10.21608/mjcc.2023.411548

Thermodynamics for Polycarboxylate Macromolecule Interaction with Potassium Ferrocyanide and Applications to Portland Cement Paste Compressive Ability

Mansoura Journal of Chemistry
Volume 61, Issue 3, May 2023, Page 14-21  XML PDF (1.42 MB)
Document Type: Original Article
DOI: 10.21608/mjcc.2023.411548
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Authors
Asmaa A. El Gindy* 1; Maher M El-Tonsy1; Esam A. Gomaa2; Hamid I. Abdel Kader1; Amr O. Habib3; Alaa Mohsen3
1Physics Department, Faculty of Science, Mansoura University, Egypt
2Chemistry Department, Faculty of Science, Mansoura University, Egypt.
3Faculty of Engineering, Ain Shams University, Cairo, Egypt
Abstract
The effect of Sika Viscocrete (Polycarboxylate- based macromolecule polymer) on the equilibrium thermodynamic of K4Fe (CN)6 in neutral potassium chloride and its application for OPC (Ordinary Portland Cement) paste were added. Portland cement is manufactured from raw limestone, clay, mudstone, and shale deposits. The cyclic voltammetry of Sika Viscocrete with different concentrations with K4Fe (CN)6 at 290K was measured using a potentiostat, delivered from the USA in KCl (0.1 M) as the medium, glassy carbon electrode, platinum wire electrode, and standard Ag/AgCl electrode are used. Different solvation parameters were evaluated by using various scan rates. Also, the mechanisms and the stabilization of the complexes formed are discussed. The compressive (compressive ability) strength of the cement mixture with water at curing times (1, 3, 7 and 28 days) was determined by using different percentages of polycarboxylate-based macromolecule as an environmental application. The results indicated that Viscocrete is combined with the iron present in the cement and increase the compressive ability using the concentrations of macromolecule material, 0.25% and 0.5% then decreases with the concentrations 0.75% and 1%.
Keywords
Polycarboxylate- based macromolecules; Cement (P. Portand); solvation properties; equilibrium thermodynamics; stability constant; Gibbs energies of interaction; strength of compressibility (compressive ability)
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