. 2019 Sep 5;4(12):14962–14969. doi: 10.1021/acsomega.9b01746

Table 1. Comparison of Mineral Components between FA and Some Typical Natural Minerals^32,33.

item	SiO₂	Al₂O₃	Fe₂O₃	CaO	MgO	K₂O + Na₂O	others
FA	43–56	20–35	4–10	0.5–1.5	0.6–2	1–2.5	3–20
diatomite	97.91	1.04	0.65		0.05	0.12	0.23
perlite	74.6	13.1	0.83	0.83	0.19	7.87	2.58

Table 1. Comparison of Mineral Components between FA and Some Typical Natural Minerals32,33.