electric resistance 托福

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为材料的套槽具有亲水性强、阻小、耐碱腐蚀、耐高铁酸盐氧化等优点，与平板槽采用的普通玻璃和高硼硅玻璃相比是更加理想的化学合成高铁酸盐的槽及材料。