Chapter 16 Reference
16.3 Ion measurement
F-52, 53, 54, 55 231
Storing standard solution
The standard solution must be put in containers which can be sealed and then stored in the
sealed state preferably in a cool and dark place.
Storing them in a open state causes changes in their concentrations because of their evapora-
tion or inclusion of impurities.
Storing ion electrode
The most important point in the maintenance of the ion electrode is that the electrode is kept
clean. After measurement, well rinse the electrode with deionized water and then store it. The
recommended storage manner differs depending on ion electrode types and storage periods.
For further information, refer to the instruction manual which comes with each ion electrode.
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