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PHOSPHORUS, REACTIVE,
10.
Press:
ZERO
The display will
count down to 0.
Then the display will
show 0.0 mg/L, and
the zero prompt will
turn off.
Note: For multiple
samples, zero on the
first sample and record
the blank value.
Subtract this value from
each sample result.
13.
Cap tightly and
shake for 10-15
seconds.
Note: The powder will
not dissolve completely.
11.
Remove the cap
from the vial.
2 minutes
14.
Wait 2 minutes
81-27
continued
12.
Using a funnel,
add the contents of
one PhosVer 3
Phosphate Reagent
Powder Pillow for
10-mL samples to
the vial.
15.
Clean the
outside of the sample
vial with a towel.
Note: Wiping with a
damp towel, followed by
a dry one, will remove
fingerprints or other
marks.
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