Hach DR/700 - Page 547

57-41
SILVER, continued
10. Place the blank
in the cell holder.
Note: In bright sunlight
it may be necessary to
close the cell
compartment cover.
11. Press: ZERO
The display will
count down to 0.
Then the display will
show 0.000 mg/L and
the zero prompt will
turn off.
12. Place the
prepared sample in
the cell holder.
Note: In bright sunlight
it may be necessary to
close the cell
compartment cover.
13. Press: READ
The display will
count down to 0.
Then the display will
show the results in
mg/L silver (Ag).
Note: Rinse the cells
carefully between
samples to avoid
development of a film on
the cell walls.