Table 3.

XRF results of the analysed samples.

Sample	Composition	Values	U.M.	Line
TiO2−Zn 2.0%	Ti	58.0482	mass%	Ti−KA
	Zn	1.6157	mass%	Zn−KA
	O	39.2373	mass%	O−KA
	C, S, Si (traces)	1.0989	mass%
	TiO2	94.1104	mass%	Ti−KA
	ZnO	1.9373	mass%	Zn−KA
	C, S, Si oxides (traces)	3.9524	mass%
	Ti	58.7187	mass%	Ti−KA
TiO2−Cu 2.0%	Cu	1.9474	mass%	Cu−KA
	O	38.3098	mass%	O−KA
	C, Si, S (traces)	1.0241	mass%
	TiO2	94.0071	mass%	Ti−KA
	CuO	2.3092	mass%	Cu−KA
	C, S, Si oxides (traces)	3.6837	mass%