37
TIT
rA
TION
Pr
OCEDU
rE
• For 20 g and 20 mL samples add deionized or distilled water to the 60 mL mark.
• Place the stir bar in the beaker and put the beaker in the mini titrator top.
• Place the probe holder on the top of the beaker and secure it by turning clockwise.
• Rinse the pH electrode, reference electrode and temperature probe with deionized water and
immerse it roughly 1.5 cm (0.6”) into the sample. Be sure that the tip of the electrode is not
hitting the stir bar.
• Insert the dosing tip into the titrant tube sleeve. It is critical that the tip be immersed approximately
0.25 cm (0.1”) into the solution being titrated.
• Press
Continue
to begin the titration and
Stop
to abort it.
• The instrument will continuously update the concentration on the display. The value will be
displayed blinking. When the reading is under range “----” symbol appears blinking.