Hach AutoCAT 9000 Instruction Manual page 84

Chlorine Dioxide
AutoCAT Titration Method
1.
Turn the instrument on
if necessary and access the
Methods menu.
Press to choose
2
Select Method.
5.
Place the sample onto
the AutoCAT 9000 stirrer
platform.
Chlorine Dioxide
Page 82
2.
Highlight
Chlorine dioxide.
Press the
CHECK MARK
to validate.
6.
Verify User.
Press the to
CHECK MARK
enter a new user or press
1
confirm.
Note: This screen will be
skipped if the User ID is
disabled. See Setting a User ID
on page 27.
3.
Press to select
1
Run method.
This method used the
5.64mN PAO titrant. See
Software Setup for Titrant
Installation on page 38.
7.
Highlight Sample ID.
Press the
CHECK MARK
to enter a new sample ID or
proceed to step 8.
Chlorine Dioxide Titr. 1
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.
8.
Highlight Volume for
Test 1.
to
Press the
CHECK MARK
enter a new volume.
Press to confirm.
1
50081_Chlorine_ChlorineDioxide.fm
to