Fig. 8From: The synergistic effect of an imidazolium salt and benzotriazole on the protection of bronze surfaces with chitosan-based coatingsOptical micrographs (magnification 100×) of bronze disks coated with CHT (1), CHT/IS (2), CHT/BTA (3) and CHT/BTA-IS (4) before (a) and after (b) exposure to HCl vapor for 6 hBack to article page