. 2021 May 1;7(4):e06917. doi: 10.1016/j.heliyon.2021.e06917

Table 1.

Chemical composition of Portland cement type I.

Unit	CaO	SiO₂	Al₂O₃	SO₃	Fe₂O₃	MgO	K₂O	TiO₂	Na₂O	P₂O₅	MnO
KCps	1396.7	155.1	33.9	63.8	152.8	10.9	21.4	2.5	0.7	0.8	1.8
%	62.00	15.90	3.53	3.33	3.03	0.92	0.70	0.24	0.15	0.0676	0.0452