An electrode is conditioned by soaking it in a standard solution for 1 hour or longer.
Use a standard solution whose concentration is 100 mg/L or more.
A standard solution with ISA added can also be used.


  • In the following cases, perform conditioning of the electrode before calibration.
  • Before the first use.
  • Before use after storage for 2 weeks or longer.
  • If the electrode is less responsive.

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