Hach DR2400 - Page 466

Nitrogen, Ammonia
Nitrogen, Ammonia
Page 2 of 6
NitrogenAmm_None_Other_NES_Eng_Ody.fm
5. Add three drops of
Polyvinyl Alcohol
Dispersing Agent to each
cylinder.
Stopper and invert several
times to mix.
6. Pipet 1.0 mL of
Nessler Reagent into each
cylinder.
Stopper and invert several
times to mix.
7. Touch the timer icon.
Touch
OK.
A one-minute reaction
period will begin.
8. Pour each solution
into a round sample cell.
9. When the timer
beeps, place the blank
into the cell holder.
10. Touch Zero.
The display will show:
0.00 mg/L NH
3
–N
11. Wipe the prepared
sample and place it into
the cell holder.
12. Touch Read.
Results will appear in
mg/L NH
3
–N.
10 mL
10 mL
10 mL
Zero
10 mL
Read