Adsorption time

0.5 hr

Appearance of TiO₂ film

Weight gain

0.6 mg

Adsorption time

1 hr

Appearance of TiO₂ film

Weight gain

0.6 mg

Adsorption time

2 hr

Appearance of TiO₂ film

Weight gain

0.8 mg

Adsorption time

4 hr

Appearance of TiO₂ film

Weight gain

1.0 mg

Adsorption time

8 hr

Appearance of TiO₂ film

Weight gain

1.1 mg