Table 2. Percent contents of C, O and Ti elements for various samples detected by EDX.

sample	Elemental content (at.%, Mean ± SD)
	C	O	Ti
TO-0	5.16 ± 0.29	15.54 ± 0.86	79.30 ± 0.98
TO-2	2.89 ± 0.08	42.92 ± 0.70	54.18 ± 0.77
TO-4	2.60 ± 0.16	43.58 ± 0.53	53.82 ± 0.69
TO-6	2.65 ± 0.37	47.16 ± 0.49	50.18 ± 0.60