Nitrite
Nitrite
Page 2 of 4
Nitrite_PP_High_FES_Eng_Ody.fm
Interferences
This test does not measure nitrates nor is it applicable to glycol-based samples.
Dilute glycol-based samples and follow the Low Range Nitrite procedure.
Sample Collection, Storage, and Preservation
Collect samples in clean plastic or glass bottles.
The following storage instructions are necessary only when prompt analysis is
impossible. Store at 4 °C (39 °F) or lower if the sample is to be analyzed within
24 to 48 hours. Warm to room temperature before running the test. Do not use
acid preservatives.
5. Fill another sample
cell with 10 mL of sample
(this is the blank).
6. Wipe the blank and
place it into the cell
holder.
7. Touch Zero.
The display will show:
0 mg/L NO
2
–
8. After the timer beeps,
gently invert the
prepared sample twice.
Avoid excessive mixing,
or low results may occur.
9. Wipe the prepared
sample and place it into
the cell holder.
10. Touch Read.
Results will appear in
mg/L NO
2
–
.
10 mL
Zero
10 mL
Read
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