Hach DR2400 Manual page 796

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Zinc
5.
Invert the sample vial
repeatedly until the
solids in the cap dissolve
completely.
9.
Wipe the sample vial
and place it into the cell
adapter.
Interferences
Zinc
Page 2 of 4
6.
Touch the timer icon.
Touch
.
OK
An 3-minute reaction
period will begin.
After the reaction period,
invert the sample vial
again to mix completely.
Read
10.
Touch
.
Read
Results will appear
in mg/L Free Zn.
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.
Ion
2+
Cl
, Ca
2+
Mg
2+
3+
2+
2+
2+
Fe
, Fe
, Sn
, Ni
, Cu
2+
Co
2+
Pb
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.
3+
6+
2-
, Cr
, Cr
, CO
3
Zero
8.
Touch
.
Zero
The display will show:
0.00 mg/L Free Zn
Underrange
Note: If the sample was
pretreated with the Metal Prep
Set (HCT 200), Touch Options
and select Tot Zn.
No interference up to:
1000 mg/L
500 mg/L
50 mg/L
20 mg/L
5 mg/L
Zinc_UniCell_Other_PAR_Eng_Ody.fm

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