Hach AutoCAT 9000 Instruction Manual page 108

Total Chlorine
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 stirrer
platform.
Total Chlorine
Page 106
2.
Highlight
Total Cl2 - Fwd and press the
to validate.
CHECK MARK
6.
Highlight User and
verify the user ID. Press
1
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.
3.
Press to select
1
Run method.
Note: This method utilizes the
5.64mN PAO titrant. To install
this titrant, see Software Setup
for Titrant Installation on
page 38.
7.
Highlight Sample ID.
to
Press the
CHECK MARK
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.
Total Cl - Fwd
2
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.
8.
Highlight
Volume for Test 1.
to
Press the
CHECK MARK
enter a new sample volume
or press to confirm and
1
accept the current volume
and start the stirrer.
50081_Chlorine_Total_Forward.fm
to