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NITRITE, Low Range
Diazotization Method
USEPA approved for reporting wastewater and drinking water analyses.
1.
Enter the stored
program number
for nitrite nitrogen
-
(NO
-N),
2
powder pillows.
Press:
PRGM
The display will show:
PRGM ?
Note: For most accurate
results, perform a Reagent
Blank Correction using
deionized water (see
Section 1).
* Federal Register, 44(85) 25505 (May 1, 1979)
(0 to 0.350 mg/L NO
*
(Powder Pillows or AccuVac Ampuls);
2.
Press:
60 ENTER
The display will show
mg/L, NO2-N and the
ZERO icon.
Note: For alternate forms
-
(NO
, NaNO
), press the
2
2
CONC key.
-
-N)
For water, wastewater, seawater
2
3.
Fill a sample cell
with 10 mL of sample.
249
Method 8507
4.
Add the contents of
one NitriVer 3 Nitrite
Reagent Powder Pillow
to the sample cell. Cap
the cell and shake
to dissolve.
Note: Accuracy is not
affected by undissolved
powder.
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