Hach DR/700 - Page 259

50-9
IRON, FERROUS, continued
10. Place the
prepared sample in
the cell holder.
Note: In bright light,
put 10 mL in a 10-mL
cell, insert it and close
the cell compartment
cover.
11. Press: READ
The display will
count down to 0.
Then the display will
show the results in
mg/L ferrous iron
(Fe
2+
).