. 2022 Jun 13;8(6):e09724. doi: 10.1016/j.heliyon.2022.e09724

Table 4.

XRF analysis of mixing ratio of 25wt% animal teeth and 75wt% animal bone with and without calcined.

Oxides	Present study (wt%)		Calcined Animal Bone (wt%) [4]	Calcined Cow Bone (wt%) [30]	Bovine Bone (wt%) [32]
Oxides	Uncalcined	Calcined at 1150 °C	Calcined Animal Bone (wt%) [4]	Calcined Cow Bone (wt%) [30]	Bovine Bone (wt%) [32]
CaO	54	61.32	66.4	64.89	52.25
P₂O₅	39.45	35.18	29.2	34.2	38.37
MgO	0.58	0.92	1.4	-	0.41
Na₂O	0.29	1.88	0.6	-	-
SO₃	0.08	0.39	0.5	-	-
Al₂O₃	0.49	0.49	0.05	-	-
Fe₂O₃	0.27	0.27	0.04	0.22	-
CO₂	-	-	1.7	-	-
SiO₂	0.44	0.44	0.02	-	-
ZnO	0.02	0.02	0.02	0.022	-