9
According the prompt, inject 20ml BTB aqueous solution accurately in a sample cup
(see details in the chapter 3 BTB aqueous solution) and put the cup in the sample tray.
Click the “
Start
” button and a blank titration is beginning. The instrument enters the
following interface:
When the blank titration is finished, if a re-calibration is in progress, the instrument
enters the following interface:
