| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrode capable of not only simply adsorbing silver ion surely but also grasping surely the service life of an internal electrode by visual observation. <P>SOLUTION: A silver ion adsorbing material 7 whose color is changed by saturation when adsorbing the silver ion is provided in internal liquid 3, concerning this electrode 1 wherein a silver/silver chloride electrode is provided an the internal electrode 4 in the internal liquid 3. <P>COPYRIGHT: (C)2004,JPO |
