Microstructural and ²⁹Si MAS NMR spectroscopic evaluations of alkali cationic effects on fly ash activation

Engineering & Materials Science

• Nuclear magnetic resonance 96%
• Silicates 92%
• Sodium hydroxide 91%
• Fly ash 82%
• Chemical activation 71%
• Nuclear magnetic resonance spectroscopy 61%
• Alkalinity 52%
• Positive ions 49%
• Pore size 46%
• Gels 41%
• Condensation 40%
• Volume fraction 36%
• Compressive strength 34%
• Hot Temperature 19%

Chemical Compounds

• 29Si MAS NMR 100%
• Alkali 66%
• Pore 52%
• Volume 46%
• MAS NMR Spectroscopy 32%
• Compression Strength 28%
• Pore Size Distribution 26%
• Disorder 22%
• Condensation 19%
• Dissociation 19%
• Strength 17%
• Gel 16%
• Cation 15%
• Amount 11%
• Time 9%