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CADMIUM
For water and wastewater
Dithizone Method*
1.
Install module
52.01
in a DR/700
Note: If samples cannot
be analyzed
immediately, see
Sampling and Storage
following these steps.
Adjust the pH of stored
samples before analysis.
Note: Total cadmium
determination requires
a prior digestion; use on
the three procedures
given in Digestion
(Section I).
Note: The DR/700 must
be calibrated before
sample measurement.
See Calibration
following these steps.
*Adapted from Standard Methods for the Examination of Water and Wastewater.
(0 to 80 µg/L)
2.
Press:
I/O
The display will show
525 nm
and module
52.01
52-37
Method 8017
3.
After 2 seconds,
the display will show
a program number,
the concentration
units and the zero
prompt. Press the
key until
PROGRAM
the lower display
shows program
number
52.000
The upper display
will show the S1
concentration.
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