| 摘要 |
By determining the concentration of a component in a halide, sulphide or halogenoid containing sample using an electrode unit (1) comprising a silver electrode (2), a working electrode (3), and a counter electrode (4), which electrodes show up at an end of the unit made from an electrically insulating material, the silver electrode being in contact with the sample is transformed into a reference electrode by being coated with a silver halide, sulphide or halogenoid by applying a potential difference over the silver electrode (2), and one of the further electrodes (3, 4) the potential difference having a polarity that causes anodic oxidation of the silver electrode. |
