Hach DR2400 - Page 242

Cobalt
Cobalt
Page 2 of 4
Cobalt_PP_Other_PAN_Eng_Ody.fm
5. Use the plastic
dropper provided to add
0.5 mL of 0.3% PAN
Indicator Solution to each
cell. Stopper each cell.
Invert several times to
mix.
6. Touch the timer icon.
Touch
OK.
A three-minute reaction
period will begin. During
the reaction period, the
sample solution may vary
from green to dark red,
depending on the
chemical make-up of the
sample. The deionized
water blank should be
yellow.
7. When the timer
beeps, add the contents of
one EDTA Reagent
Powder Pillow to each
cylinder. Stopper. Shake
to dissolve.
8. Place the blank into
the cell holder.
9. Touch Zero.
The display will show:
0.00 mg/L Co
10. Place the prepared
sample into the cell
holder.
11. Touch Read.
Results will appear in
mg/L Co.
10 mL
Zero
10 mL
Read