Test Procedures
inversion.
22. Wait 5 minutes.
23. Wipe the tubes with a damp towel to remove fi ngerprints and smudges. Wipe with a
dry towel.
24. Insert the blank tube into the chamber. Select
SCAN BLANK
. Remove the blank tube
from the spectrophotometer.
25. Insert the sample tube into the chamber. Select
SCAN SAMPLE
. Record the result as
Total Nitrogen in mg/L N.
26. Press and hold
OFF
button to turn the spectrophotometer off or press
EXIT
button to
exit to a previous menu or make another menu selection.
NOTE: For greater accuracy, use laboratory grade pipets. To order reagent refi lls, order
code R-4026.
NITROGEN
, TOTAL
SMART Spectro 2 Test Procedures 05.02.16
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