Marine Antifouling for Underwater Archaeological Sites: TiO₂ and Ag-Doped TiO₂

Table 2

Colorimetric measurement of treated and untreated surfaces.

Titania/binder		1/1			1/10			1/100			0		Δ𝐸 Treated-untreated
	𝐿^∗	𝑎^∗	𝑏^∗	𝐿^∗	𝑎^∗	𝑏^∗	𝐿^∗	𝑎^∗	𝑏^∗	𝐿^∗	𝑎^∗	𝑏^∗	Δ𝐸  (1/1)	Δ𝐸 (1/10)	Δ𝐸  (1/100)
TiO2	77.87	−0.55	0.17	78.95	−0.96	−0.55	79.11	−1.00	−1.24	80.82	0.80	1.62	3.55	3.36	3.79
Ag-TiO2	58.03	1.69	1.77	78.44	0.54	−0.46	80.44	−0.82	−0.19	82.98	−0.81	1.46	25.08	4.94	3.03