Quantitative Phase Analysis of Cement Paste

Using XRD analysis and the Rietveld refinement technique, the phase composition of cement paste was quantitatively investigated. XRD patterns were employed a D8 Advance diffractometer at 40 kV and 100 mA with CuKa radiation. The scanning range of 5~70° with a step length of 0.01°. Corundum (α-Al₂O₃, 10%) was used as an internal standard, and mixed with the stop cement powder. The Rietveld calculation was carried out by using TOPAS Academic V5.

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Tang R., Sun D., Wang Z., Wang Z., Cui S., Ma W, & Lan M. (2023). Synergistic Effect and Mechanism of Nano-C-S-H Seed and Calcium Sulfoaluminate Cement on the Early Mechanical Properties of Portland Cement. Materials, 16(4), 1575.

Publication 2023

Cement Corundum Paste Powder Radiation

Corresponding Organization : Beijing University of Technology

Other organizations : China Building Materials Academy

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Variable analysis

independent variables

Scanning range of 5~70°
Step length of 0.01°

dependent variables

Phase composition of cement paste
Quantitative investigation of phase composition

control variables

Voltage of 40 kV
Current of 100 mA
Use of CuKa radiation
Use of corundum (α-Al2O3, 10%) as an internal standard
Mixing of corundum with the cement powder

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