PVC, Teflon and fluorion diaphragm were found to be better than glass as materials of diaphragm cell for their advantages in corrosion resistance as well as less electric resistance.

以聚氯乙烯、聚四氟乙烯和全氟离子材料的套管式电解槽具有水性强、电阻小、耐碱液腐蚀、耐高铁酸等优点，与平板式电解槽采用的普通玻璃和高硼硅玻璃相比是更加理想的电学合成高铁酸的电解槽及材料。