Table 5 FTIR peak assignments for superplasticizers
From: The Effect of Superplasticizers on Eco-friendly Low-Energy One-Part Alkali-Activated Slag
Wave number (cm−1) | Peak assignment | Type of superplasticizer related to peak assignment |
|---|---|---|
3133–3663 | O–H stretching | Nb-SP, PFS-SP and PCb-SP |
3082 | C–H stretching | PCb-SP |
1636 | C=O stretching (Ester group) | PCb-SP |
1601, 1627 and 1646 | C=C stretching | Nb-SP and PFS-SP |
618, 1097 and 1352 | C–O stretching | PCb-SP |
1174 | C–C stretching (aromatic) | Nb-SP |
1038 | C–H bending (–CH2, –CH3) | Nb-SP and PFS-SP |
680 | S–O deformation (–SO3) | Nb-SP and PFS-SP |