Nitrate
Nitrate
Page 2 of 4
Nitrate_UniCell_Dimeth_Eng_Ody.fm
Interferences
The ions and substances listed in the following tables have been individually
tested up to the given concentrations. Cumulative effects and the influence of
other ions and substances have not been evaluated.
5. Cap the sample vial
and invert a few times
until the reagents are
mixed and appear
uniform.
6. Touch the timer icon.
Touch
OK.
A 15-minute reaction
period will begin.
7. Install the 16-mm cell
adapter.
Note: See Section 2.6 Sample
Cell Adapters in the Instrument
Manual for adapter installation
details.
Wipe the zeroing vial
(white cap) and place it
into the cell adapter.
8. Touch Zero.
The display will show:
0.0 mg/L NO
3
9. After the timer beeps,
wipe the sample vial and
place it into the cell
holder.
10. Touch Read.
Results will appear in
mg/L NO
3
.
HRS MIN SECHRS MIN SEC
Zero
Read
Ion No interference up to:
K
+
, Na
+
,
Cl
–
500 mg/L
COD 200 mg/L
Ag
+
100 mg/L
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