Hach DR/700 Procedures Manual page 401

IODINE,
continued
3 minutes
7.
Wait 3 minutes.
10.
Insert the
AccuVac Vial
Adapter into the cell
holder.
8.
Place the blank in
the cell holder.
Note: In bright sunlight
it may be necessary to
close the cell
compartment cover.
11.
Within 3
minutes after the 3-
minute period, place
the prepared sample
in the cell holder.
Note: In bright sunlight
it may be necessary to
close the cell
compartment cover.
52-75
9.
Press:
ZERO
The display will
count down to 0.
Then the display will
show 0.00 mg/L and
the zero prompt will
turn off.
12.
Press:
READ
The display will
count down to 0.
Then the display will
show the results in
mg/L iodine (I ).
2