Paper Title:
Comparison of FT-IR, Thermal Analysis and XRD for Determination of Products of Cement Hydration
  Abstract

Fourier Transform Infrared Spectroscopy (FT-IR), thermal analysis and X-Ray Diffraction (XRD) are commonly performed to study the hydration products in cement pastes. The three methods were compared in this frame to detect products of cement hydration at different ages, especially at early ages (before 24h ages). The results indicate from the present experiment that CH (Calcium hydroxide) can be detected by three methods at all ages; C-S-H can be distinguished by FT-IR at all ages; ettringite may be detected by FT-IR before 24h ages and by XRD at all ages; and monosulphate can be detected by FT-IR before 24h ages. The process of cement hydration, characterized by formation and development of some hydration products, can be clearly observed by three methods. FT-IR is suggested for detecting the major hydration products before 24h ages, FT-IR and XRD are suggested for detecting the major hydration products after 24h ages, and thermal analysis is suggested for analyzing the degree of hydration quantitatively.

  Info
Periodical
Advanced Materials Research (Volumes 168-170)
Edited by
Lijuan Li
Pages
518-522
DOI
10.4028/www.scientific.net/AMR.168-170.518
Citation
Z. H. Ou, B. G. Ma, S. W. Jian, "Comparison of FT-IR, Thermal Analysis and XRD for Determination of Products of Cement Hydration", Advanced Materials Research, Vols. 168-170, pp. 518-522, 2011
Online since
December 2010
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$32.00
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