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. 2024 Apr 10;19(4):e0298761. doi: 10.1371/journal.pone.0298761

Table 1. Chemical composition of cement and substituents.

Composition Cement MK MS NS
SiO2 21.4 49 94.1 99
Al2O3 6 34.5 0.47 0.12
Fe2O3 3.4 0.5 0.25 0.05
CaO 64 0.62 0.92 0.1
MgO 1.8 0.14 1.17 0.1
Na2O 0.65 0.54 0.4 0.2
K2O 0.45 0.14 1.1 -
LOI 3 15.33 - -