Hach AutoCAT 9000 - Page 84

Chlorine Dioxide
Chlorine Dioxide
Page 82
50081_Chlorine_ChlorineDioxide.fm
1. Turn the instrument on
if necessary and access the
Methods menu.
Press
2 to choose
Select Method.
2. Highlight
Chlorine dioxide.
Press the
CHECK MARK
to validate.
3. Press 1 to select
Run method.
This method used the
5.64mN PAO titrant. See
Software Setup for Titrant
Installation on page 38.
4. Measure 200 mL of
sample solution with a pipet
and transfer to a 250-mL
beaker with the specified
magnetic stir bar.
All containers must be
pretreated for chlorine
demand, see Container
Pretreatment on page 63.
5. Place the sample onto
the AutoCAT 9000 stirrer
platform.
6. Verify User.
Press the
CHECK MARK to
enter a new user or press
1 to
confirm.
Note: This screen will be
skipped if the User ID is
disabled. See Setting a User ID
on page 27.
7. Highlight Sample ID.
Press the
CHECK MARK to
enter a new sample ID or
proceed to step 8.
8. Highlight Volume for
Test 1.
Press the
CHECK MARK to
enter a new volume.
Press
1 to confirm.
AutoCAT Titration Method Chlorine Dioxide Titr. 1