Hach DR2400 - Page 186

Chlorine, Total
Chlorine, Total
Page 2 of 6
ChlorineTot_AVPP_Other_DPD_Eng_Ody.fm
5. Fill another round
sample cell with 10-mL of
sample. (This is the
blank.)
Wipe the sample cell and
place it into the cell holder.
6. Touch Zero. The
display will show:
0.00 mg/L Cl
2
7. Within three minutes
after the timer beep,
wipe the prepared
sample and place it into
the cell holder.
8. Touch Read.
Results will appear in
mg/L Cl
2
.
1. Touch
Hach Programs.
Select program
85 Chlor. F&T AV.
Touch
Start.
2. Fill a round sample
cell with 10-mL of sample
(the blank). Collect at
least 40 mL of sample in a
50-mL beaker.
3. Fill a DPD Total
Chlorine Reagent
AccuVac
®
Ampul with
sample. Keep the tip
immersed while the
ampule fills completely.
4. Quickly invert the
ampule several times to
mix. Wipe off any liquid
or fingerprints.
Zero
10 mL
Read
AccuVac
®
Ampul Method 8167
Hach Programs
10 mL