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IRON, TOTAL,
5.
Press:
TIMER ENTER
A three-minute reaction
period will begin.
Note: Continue with
Steps 6 to 8 while the
timer is running.
8.
After the timer beeps,
place the prepared
sample in the cell holder.
Tightly cover the sample
cell with the
instrument cap.
continued
6.
Fill a second sample
cell with 10 mL of
sample (the blank).
9.
Press:
READ
The cursor will move to
the right, then the result
in mg/L iron will be
displayed.
Note: Standard Adjust may
be performed using a
prepared standard (see
Section 1).
7.
Place the blank in the
cell holder. Tightly
cover the sample cell
with the instrument cap.
Note: Press EXIT to zero
the instrument while the
timer is running.
208
Press:
ZERO
The cursor will move
to the right, then the
display will show:
0.00 mg/L Fe
If Reagent Blank
Correction is on, the
display may flash
"limit". See Section 1.
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