A Fourier transform infrared spectroscopic investigation of the early hydration of Portland cement and the influence of sodium lignosulfonate

By M. Mollah, Wenhong Yu, R. Schennach, D. Cocke. 2000

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Effect of triethanolamine on cement hydration toward initial setting time (2017, background): “wavenumber that is related to formation of ettringite [67].”
Utilization of natural zeolite in aerated concrete production (2010, background): “In cement chemistry, it is generally accepted that the principle products of the hydration of Portland cement are amorphous calcium–silica–hydrate (C–S–H) (60–70%), portlandite Ca(OH)2 20– 25% and other minor phases, such as calcium carbonate [24].”
Early hydration and setting of Portland cement monitored by IR, SEM and Vicat techniques (2009, methodology): “In previous studies where FTIR was used to study the hydration of cement and its components, the sample was prepared by mixing the cement with KBr and pressing the mixture into pellets [18–21].”