Hach AutoCAT 9000 - Page 125

Total Oxidants
Total Oxidants
50081_TotalOxidants.fm Page 123
1. Raise the electrode
head.
Add 2.0 mL of
2.5 N Hydrochloric acid and
stir for several seconds.
Carefully remove the sample
from the stirrer platform and
place in the dark.
Press the
CHECK MARK
to confirm.
2. The timer will start.
This timer allows a 5-minute
reaction period before
starting the titration.
3. Remove the sample
from the dark and carefully
place onto the AutoCAT
stirrer platform.
Lower the electrode head
onto the beaker rim.
Press the
CHECK MARK
to confirm.
4. The analysis parameters
that have been stored for the
current Sub-ID may be
edited at this time.
Highlight the appropriate
line and press the
CHECK MARK to change one
of the analysis parameters or
press
1 to confirm.
Note: Any changes made will
become the new default
parameters for this method
Sub-ID.
Note: These Sub-ID
parameters can be edited here
as 'run-time' settings, or from
the Main Menu as described in
Section step 3.5.
Note: This step will be skipped
if autoscaling software is
enabled.
AutoCAT Titration Method Total Oxidants Titration 2