Hach DR2400 - Page 86

Aluminum
Aluminum
Page 2 of 4
Aluminum_UniCell_Other_CHR_Eng_Ody.fm
Interference
The ions listed in the table have been tested up to the given concentrations.
Cumulative effects and the influence of other ions have not been evaluated.
5. Cap the vial. Invert
the sample until the
solids dissolve
completely.
6. Touch the timer icon.
Touch
OK.
A 25-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.
When the timer beeps,
wipe the zero vial (white
cap) and place it into the
cell adapter.
8. Touch Zero.
The display will show:
0.00 mg/L Al
3+
Underrange
9. Wipe the sample vial
and place it into the cell
adapter.
10. Touch Read.
Results will appear in
mg/L Al
3+
.
Zero
Read
Interfering Substance Interference Levels
Mg
2+
, K
+
, Na
+
, NH
4
+
, Cl
–
, NO
3
–
, Ca
2+
500 mg/L
Ag
+
, Mn
2+
100 mg/L
Cd
2+
, Co
2+
, Ni
2+
, Sn
2+
, Pb
2+
, PO
4
3–
50 mg/L
Cu
2+
, Hg
2+
10 mg/L
Fe
2+
, Fe
3+
, Zn
2+
, Si
4+
5 mg/L