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In the laboratory, if the resistance increases, it may be "the porous ceramic is dry. At this time, you can pull the glass tube out of the polytetrafluoroethylene cap, let a little air into the glass tube, and then place the glass vertically. After the bubble is driven out of the glass tube with the nail bullet, and then insert the glass into the PTFE sleeve. At this time, the KCl solution can extrude the porous ceramic through pressure, so as to restore the channel shape. At the same time,
the electrode resistance can be reduced and the electrode can be used normally.
When the electrode is not used, the electrode can be soaked in saturated potassium chloride
solution, or on the protective cap, and stored dry. Before the second use, please immerse it in
saturated potassium chloride solution for about 2 hours to activate the electrode.