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PHOSPHORUS REACTIVE,
10.
Press:
ZERO
The display will
count down to 0.
Then the display will
show 0.00 mg/L and
the zero prompt will
turn off.
13.
Press:
READ
The display will
count down to 0.
Then the display will
show the results in
mg/L phosphate
3-
(PO
).
4
Note: To convert results
to other units, see Table
1.
11.
Fill a 10-mL cell
to the 10-mL line
with prepared
sample.
Table 1. Conversion Factors
To convert results from
mg/L PO
3-
4
mg/L PO
3-
4
52-109
continued
12.
Place the
prepared sample in
the cell holder.
Note: In bright sunlight,
it may be necessary to
close the cell
compartment cover.
To
Multiply by
mg/L P
O
0.747
2
5
mg/L P
0.326
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