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. 2017 Aug 15;7:8258. doi: 10.1038/s41598-017-08645-z

Table 5.

Chemical composition [wt%] obtained through X-ray fluorescence analysis for Portland cement (OPC).

SiO2 Al2O3 Fe2O3 MnO MgO CaO Na2O K2O TiO2 P2O5 SO3
OPC 14.54 2.93 2.20 0.03 1.83 48.20 0.07 0.72 0.22 0.04 1.78