Hach DR2400 - Page 224

Chromium, Hexavalent
Chromium, Hexavalent
Page 2 of 6
ChromiumHex_AVPP_Other_DCH_Eng_Ody.fm
5. Fill another round
sample cell with 10 mL of
sample (the blank).
6. When the timer
beeps, place the blank
into the cell holder.
7. Touch Zero.
The display will show:
0.00 mg/L Cr
6+
8. Place the prepared
sample into the cell
holder.
Touch
Read.
Results will appear in
mg/L Cr
6+
.
1. Touch
Hach Programs.
Select program
95 Chromium, Hex. 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 ChromaVer 3
Reagent AccuVac®
Ampul with sample
(the prepared 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.
10 mL
Zero
10 mL
AccuVac Ampul Method 8023
Hach Programs
10 mL