Fig. 7

The static contact angle (CA) of water droplets in the Carbon steel surfaces after 24 h immersion in H2S and 1 M HCl co-existing solution at 293 K (a) without and (b) with BMT, respectively.
The static contact angle (CA) of water droplets in the Carbon steel surfaces after 24 h immersion in H2S and 1 M HCl co-existing solution at 293 K (a) without and (b) with BMT, respectively.