| 摘要 |
An ion selective electrode of flowthrough type is used for electrochemical measurement of ion species contained in a biological fluid by the electrode method. In the electrode method, the reaction of an ion and a sensing substance contained in an ion-sensing membrane is electrochemically detected. plurality of holes are made on a part of the wall of a path for letting the biological fluid flow therethrough. An ion-sensing membrane is formed in the plurality of holes such that each membrane includes a different sensitive ion from the other and the inner surface of the path is kept smooth.
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