Figure 2From: Synthesis of alumina, titania, and alumina-titania hydrophobic membranes via sol?gel polymeric route A block diagram of an apparatus for measuring ceramic membrane wettability. 1 - light source, 2 - diffuser, 3 - measuring Table, 4 - liquid droplet, 5 - manual syringe, 6 - camera lenses, 7 - CCD camera, 8 - PC with an image acquisition card and image processing applications (University of Alabama).Back to article page