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Phosphorus, Total
5.
Cap tightly and shake
to dissolve.
9.
Use a TenSette Pipet
to add 2 mL of 1.54 N
Sodium Hydroxide
Standard Solution to the
vial. Cap and mix.
Phosphorus, Total
Page 2 of 6
6.
Place the vial into the
COD Reactor.
10.
Wipe the outside of
the vial with a damp
cloth followed by a dry
one, to remove
fingerprints or other
marks.
7.
Touch the timer icon.
Touch
.
OK
A 30-minute heating
period will begin.
11.
Install the 16-mm
adapter.
Note: See Section 2.6 in the
Instrument Manual for
installation details.
Place the vial into the
adapter.
PhosphorusTot_TNT_Other_PAP_Eng_Ody.fm
8.
When the timer
beeps, carefully remove
the hot vial from the
reactor. Place it in a test
tube rack and cool to
room temperature.
Zero
12.
Touch
.
Zero
The display will show:
3–
0.00 mg/L PO
4
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