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. 2022 Jun 26;55(6):153. doi: 10.1617/s11527-022-01992-y

Table 1.

Chemical compositions of the cement, fly ash, and slag (weight %) [10, 15]

Oxide Cementa Fly ash Slag
SiO2 19.90 56.01 32.09
Al2O3 4.55 21.71 12.88
Fe2O3 3.77 12.98 0.75
CaO 63.96 4.81 42.44
MgO 1.17 1.03 6.53
SO3 2.35 0.37 3.03
K2O 0.37 2.57 0.27
Na2O 0.18 0.30 0.13

aThe cement had a limestone content of 3.8%, an LOI of 2.5%, and a Blaine fineness of 386 m2/kg