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Table 2 Chemical composition of cementitious materials (% by mass).

From: Comparison of Strength–Maturity Models Accounting for Hydration Heat in Massive Walls

Materials SiO2 Al2O3 Fe2O3 CaO MgO K2O Na2O TiO2 SO3 LOI*
Modified cement 23.30 3.85 3.83 63.4 1.24 1.47 0.15 0.33 2.01 0.42
SF 98.94 0.30 0.08 0.12 0.04 0.13 0.05 0.28 0.06
GGBFS 33.18 14.07 0.51 44.6 4.31 0.45 0.24 0.55 1.36 0.73
  1. * Loss on ignition.