Chlorine Dioxide
Chlorine Dioxide
50081_Chlorine_ChlorineDioxide.fm Page 91
5. The Start Timer will
begin.
This allows the electrode to
stabilize before data
is collected.
Once the electrode has
stabilized, the AutoCAT
9000 will begin data
acquisition and plot the
titration curve in real time.
6. The Zoom Range
Determination window will
display the titration curve.
Select and move the cursors
to define the range of data
points for analysis.
Proceed to step 7.
7. Select type of end point
determination.
Press
DEL for Manual.
Note: Automatic determination
attempts to identify linear
segments without user input
but is not recommended for
this method.
8. Use the navigation
buttons to select two line
segments, one on each side
of the titration end point, by
positioning the cursors at
the beginning and end of
each segment.
Press the
CHECK MARK to
confirm changes or press
DEL to return to the previous
window.
Note: For more information on
manual EP determination, see
page 135.
9. Press the CHECK MARK
to accept the analysis.
Press DEL to return to the
previous window. Adjust the
linear segments and
reanalyze the data.
10. The analysis for this test
is complete.
Press 1 to select Continue to
perform additional tests
and/or samples, or to finish
analyses.
Press
2 to select More Details
to view analysis statistics
specific to the current sample
ID.
11. Press 1 to select
New Test to run a replicate
sample.
Press
2 to select New Sample
to initiate analysis of a new
sample with a new Sample
ID. See Instrument Tips and
Techniques on page 81.
Press
3 to select
End Analysis to return to the
Methods menu.
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