. 2021 Nov 23;14(23):7109. doi: 10.3390/ma14237109

Table 1.

Chemical compositions of binding materials (wt.%).

Chemical Compositions	SiO₂	Al₂O₃	Fe₂O₃	SO₃	TiO₂	CaO	K₂O	MgO	Na₂O	LOI ^a
Class F fly ash	44.94	32.15	5.14	2.07	1.49	9.90	1.13	1.04	0.81	1.33
Class C fly ash	44.18	26.92	9.34	1.53	1.34	11.02	1.39	1.88	1.29	1.11
Metakaolin	48.88	43.39	3.77	0.04	2.45	0.98	0.14	-	-	0.35

^a LOI: Loss on ignition.