Fig. 8From: Deep eutectic solvents: green solvents for the removal of degraded gelatin on cellulose nitrate cinematographic filmsSurface photomicrographs of selected film areas before (left) and after (right) being treated with ChCl:EG (I), B:EG (II) and B:U (III), taken in Dark Field (upper images) and Bright Field (lower images)Back to article page