用比色法测定封孔槽液中氟离子浓度我们在检验低温封孔槽液的氟离子浓度时，曾遇到过技术问题。按常规，需配置氟离子选择电极等仪器，而我们一时尚未购入，在铝型材生产过程中，又一定要及时掌握封孔槽液的氟离子浓度。为此，在反复实践的基础上总结出用比色法测定氟离子... Determination of Fluoride Ion Concentration in Sealing Solution by Colorimetry We have encountered technical problems when testing fluoride ion concentration in cryogenic sealing solution. As a general rule, fluoride ion selective electrodes and other instruments need to be configured, and we have not yet purchased them. In the production process of aluminum profiles, we must grasp the fluoride ion concentration of the sealing solution in time. To this end, on the basis of repeated practice summarized by the colorimetric determination of fluoride ...