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Nitrite
5.
When the timer
beeps, fill a second
sample cell with 10 mL
of sample (this is the
blank).
AccuVac
Hach Programs
1.
Touch
.
Hach Programs
Select program
.
375 N, Nitrite LR AV
Touch
.
Start
Nitrite
Page 2 of 6
10 mL
6.
Wipe the blank and
place it into the cell
holder.
®
Ampul
2.
Pour at least 40 mL of
sample into a 50-mL
beaker.
Zero
7.
Touch
.
Zero
The display will show:
–
0.000 mg/L NO
–N
2
3.
Fill a NitriVer 3
®
Nitrite AccuVac
Ampul
with sample. Keep the tip
immersed while the
ampule fills.
10 mL
8.
Wipe the prepared
sample and place it into
the cell holder.
Touch
.
Read
Results will appear in
–
mg/L NO
–N.
2
Method 8507
4.
Invert the ampule
several times to mix.
A pink color will develop
if nitrite is present.
Nitrite_AVPP_Low_DAZ_Eng_Ody.fm
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