| 摘要 |
PROBLEM TO BE SOLVED: To provide a glass electrode excelling in productivity or durability, since cracks and so on are unlikely to occur at a joint portion between a glass support tube and a response glass, even if the glass support tube is made free from lead or lead compounds or, taking the environment into account.SOLUTION: In the glass electrode connecting the response glass 5 at an end of the glass support tube 4, the glass forming the glass support tube 4 is free from lead or lead compounds, and the response glass 5 contains LaOand ReO(Re: lanthanoids other than La) as its composition ingredients. |
