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AccuVac
Hach Programs
1.
Touch
.
Hach Programs
Select program
.
359 N, Nitrate MR AV
Touch
.
Start
5.
When the timer
beeps, touch the timer
icon. Touch
.
OK
A five-minute reaction
period will begin.
An amber color will
develop if nitrate is
present.
Nitrate_AVPP_Mid_CDR_Eng_Ody.fm
®
Ampul
2.
Collect at least 40 mL
of sample in a 50-mL
beaker.
6.
When the timer
beeps, fill a round sample
cell with 10 mL of sample
(this is the blank).
Cap.
3.
Fill a NitraVer 5
®
Nitrate AccuVac
Ampul
with sample. Keep the tip
immersed while the
ampule fills completely.
Place a stopper over the
ampule tip.
10 mL
7.
Wipe the blank and
place it into the cell
holder.
Nitrate
Method 8171
4.
Touch the timer icon.
Touch
.
OK
A one-minute reaction
period will begin. Invert
the ampule 48–52 times
until the timer beeps.
Zero
8.
Touch
.
Zero
The display will show:
–
0.0 mg/L NO
–N
3
Nitrate
Page 3 of 6
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