Fig. 4
From: Preparation and characterization of self-cured geopolymer binder using metakaolin precursor
FT-IR spectra 90 days one-part self-cured geopolymer paste having various ratio of Portland cement. [1. Stretching vibration for O–H for Portlandite, 2: Stretching vibration of O–H bond, 3: Bending vibration of (HOH), 4: Stretching vibration of CO2, 5: Asymmetric stretching vibration for ettringite, 6: Asymmetric stretching vibration (Si–O) for CSH, 7: Out of plane bending vibration of CO2, 8: Out of plane vibration of (Si–O–), 9: In plane vibration of (Si–O–)]
