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IRON, TOTAL,
USING ACCUVAC AMPULS
1.
Install module
57.01
in a DR/700.
Note: If sample cannot
be analyzed immediately,
see Sampling and
Storage following these
steps. Adjust pH of
stored samples before
analysis.
continued
2.
Press:
I/O
The display will show
575 nm
and module number
57.01
Note: Total iron
determination needs a
prior digestion. Use
any of the three
procedures given in
Digestion (Section 1).
57-15
3.
After 2 seconds,
the display will show
a program number,
concentration units,
decimal position and
the zero prompt. If
necessary, press the
key until
UP ARROW
the lower display
shows program
number
57.04.1
Note: Rinse glassware
with a 1:1 Hydrochloric
Acid Solution. Rinse
again with
demineralized water.
These two steps will
remove iron deposits
which can cause slightly
high results.
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