Hach AutoCAT 9000 - Page 108

Total Chlorine
Total Ch lo rine
Page 106
50081_Chlorine_Total_Forward.fm
1. Turn the instrument on
if necessary and access the
Methods menu.
Press
2 to choose
Select Method.
2. Highlight
Total Cl2 - Fwd and press the
CHECK MARK to validate.
3. Press 1 to select
Run method.
Note: This method utilizes the
5.64mN PAO titrant. To install
this titrant, see Software Setup
for Titrant Installation on
page 38.
4. Measure 200 mL of
sample solution into a clean
250-mL beaker.
Insert the magnetic stir-bar
into the beaker.
Note: Use only the provided
magnetic stir-bar to minimize
loss of chlorine or iodine.
5. Place the sample onto
the AutoCAT stirrer
platform.
6. Highlight User and
verify the user ID. Press
1 to
confirm and accept the
displayed ID. To change the
user ID, press the
CHECK
MARK
.
Note: If the User ID parameter
has been disabled in the
Configuration menu, this
screen will be skipped. See
Section 3.3.2 on page 27 for
more information.
7. Highlight Sample ID.
Press the
CHECK MARK to
enter a new sample ID or
proceed to the next step.
Note: The Sample ID is used to
identify individual samples
within the GLP archives.
8. Highlight
Volume for Test 1.
Press the
CHECK MARK to
enter a new sample volume
or press
1 to confirm and
accept the current volume
and start the stirrer.
AutoCAT Titration Method Total Cl
2
- Fwd