Features DOG-208F Dissolved Oxygen Electrode applicable for Polarography Principle. With platinum (Pt) as cathode and Ag / AgCl as anode. The electrolyte is 0.1 M potassium chloride (KCI). The silicone rubber permeable membrane imported from U.S. serves as the permeable membrane. It has silicone rubber and steel gauze. It is featured by collision resistance, corrosion resistance, high.temperature resistance, shape retention and other performances.