Nitrogen, Ammonium
Nitrogen, Ammonium
Page 2 of 4
NitrogenAmm_UniCell_Low_SAL_Eng_Ody.fm
Interferences
The ions listed in the following table have been individually tested up to the
given concentrations. Cumulative effects and the influence of other ions have
not been evaluated.
5. Touch the timer icon.
Touch
OK.
A 15-minute reaction
period will begin.
6. Wipe the zero
(white cap) and sample
vials.
7. Install the 16-mm cell
adapter.
Note: See Section 2.6 Sample
Cell Adapters in the Instrument
Manual for adapter installation
details.
When the timer beeps,
place the zero vial into the
cell adapter.
8. Touch Zero.
The display will show:
0.00 mg/L NH
4
+
Underrange
9. Wipe the sample vial
and place it into the cell
adapter.
10. Touch Read.
Results will appear in
mg/L NH
4
+
.
HRS MIN SECHRS MIN SEC
Zero
Read
Interfering Substance No interference up to:
Cl
–
, SO
4
2–
1000 mg/L
K
+
, Na
+
, Ca
2+
500 mg/L
CO
3
2–
, NO
3
–
, Fe
3+
, Cr
6+
, Zn
2+
, Cu
2+
, Co
2+
, Ni
2+
, Hg
2+
50 mg/L
Fe
2+
25 mg/L
Sn
2+
10 mg/L
Pb
2+
5 mg/L
Ag
+
2 mg/L
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