309
ORGANIC CARBON, TOTAL, High Range, continued
Sampling and Storage
Collect samples in clean glass bottles. Rinse the sample bottle
several times with the sample to be collected. Fill the bottle with
minimum headspace before capping. Test samples as soon as
possible. Acid preservation is not recommended. Homogenize
samples containing solids to assure representative samples.
17. Tightly cover the
vial assembly with the
instrument cap.
18. Press: ZERO
The cursor will move to
the right, then the
display will show:
0 mg/L C
19. Wipe the sample
vial assembly with a
damp towel, followed by
a dry one, to remove
fingerprints or other
marks.
20. Place the sample
vial assembly in the
adapter.
Push straight down on
the top of the vial
assembly until it seats
solidly in the adapter.
21. Tightly cover the
vial assembly with the
instrument cap.
22. Press: READ
The cursor will move to
the right, then the result
in mg/L C will be
displayed.
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