In-situ versus ex-situ x-ray diffraction (XRD) study of the early hydration of Portland cements containing calcium carbonate

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In Gonçalves et al. we compare the phase evolution during the hydration of two commercial Portland cements using x-ray diffraction (XRD). The cementitious pastes were characterized with different hydration ages (from 1 hour to 28 days) and the results of the in-situ technique were compared with the conventional ex-situ method. Complementary standardized thermogravimetry analysis (TGA) was performed, and the results related to the evolution of phases.

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