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Phosphorus, Reactive (Orthophosphate)
Zero
5.
Touch
.
Zero
The display will show:
3–
0.00 mg/L PO
4
9.
Wipe the outside of
the vial with a damp
towel, followed by a dry
one, to remove
fingerprints or other
marks.
Interferences
Phosphorus, Reactive (Orthophosphate)
Page 2 of 6
6.
Using a funnel, add
the contents of one
PhosVer 3 Phosphate
Powder Pillow to the vial.
10.
When the timer
beeps, place the vial into
the cell adapter.
Interfering Substance
Aluminum
Arsenate
Chromium
Copper
Iron
Nickel
Silica
7.
Cap the vial tightly
and shake for 10–15
seconds. The powder will
not dissolve completely.
Read
11.
Touch
.
Read
Results will appear in
3–
mg/L PO
.
4
Interference Levels and Treatments
Greater than 200 mg/L
All levels
Greater than 100 mg/L
Greater than 10 mg/L
Greater than 100 mg/L
Greater than 300 mg/L
Greater than 50 mg/L
PhosphorusReac_TNT_Other_PV3_Eng_Ody.fm
8.
Touch the timer icon
Touch
.
OK
A two-minute reaction
period will begin.
Read samples between
two and eight minutes
after adding the PhosVer 3
reagent.
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