CAULYS N-117 Membrane Series Electrochemical Proton Exchange Membrane Laboratory and Scientific Research Supplies (5x5 cm)

【PURPOSE】Suitable for electrodes in fuel cells, vanadium cells, electrolytic cells, electrodialysis and electrochemical sensors 【CHARACTERISTICS】 good thermal stability, high temperature resistance; Resistance to electrochemical oxidation, low corrosion, good chemical stability; Good mechanical performance and long service life; High conductivity, high output power 【MODEL】N-117 Thickness: 183um, Density: 360g/m2, Conductivity: 0.083S/cm, Exchange capacity: 0.89 meq/g 【TIPS】N117 membrane can be pretreated before use, and the specific methods are as follows: First, 5% hydrogen peroxide was treated at 80 ℃ for 1h, and then it was soaked in deionized water for half an hour; Boil 5% diluted sulfuric acid (mass ratio) at 80 ℃ for 1 hour; Finally, soak in deionized water for half an hour. Or according to the user's established habits, only use after soaking in electrolyte solution 【STORAGE】When not in use, put it in a plastic bag for sealing and storage to avoid moisture