Iodine
Iodine
50081_IodineCalibration.fm Page 59
9. Press 1 to select.Run
Calibration to start the
embedded calibration
sequence.
Note: Last Calibration will
indicate the date of the
previous calibration.
10. Press the CHECK MARK
to change the User.
Press
1 to confirm.
Note: The user ID will be
stored in the GLP archives for
future reference.
Note: This screen is skipped if
User ID is disabled. See
Section 3.3.2 Setting a User ID
on page 27.
11. Highlight
Concentration.
Press the
CHECK MARK to
change the concentration or
proceed to step 12.
Note: The default
concentration may be changed
to reflect standardization or the
“Certificate of Analysis” value
for a new bottle.
12. Highlight Lot No.
Press the
CHECK MARK to
change the titrant lot number
or proceed to step 13.
13. Highlight Volume for
Test 1.
Press the
CHECK MARK to
change the calibration
volume or proceed to
step 14.
14. Prepare a calibration
sample.
a. Add 200 mL of DI-water
to a 250-mL glass beaker.
b. Add 1.00 mL of Arsenite
Standard Solution.
c. Add 4 g of sodium
bicarbonate.
Press
1 to confirm.
15. Rinse the electrode,
temperature probe, and
anti-diffusion tip with
deionized water.
Insert the magnetic stir bar
into the calibration sample
and place it on the stirrer
platform.
Lower the electrode head
onto the beaker rim.
Press
1 to confirm.
16. Press 1 to confirm.
Press the
CHECK MARK to
change the increment.
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