11
When the first calibration is finished, take out the electrode
from the solution for calibration.
12
Rinse the electrode with pure water.
13
Wipe off the moisture.
Wipe off the moisture using soft and clean lint-free paper or cloth.
14
Soak the electrode in the second
solution for calibration prepared in
step 4.
Place the electrode fully into the solution for
calibration so that the solution comes up to the
liquid junction.
25