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Chromium, Hexavalent
5.
Fill another round
sample cell with 10 mL of
sample (the blank).
AccuVac Ampul
Hach Programs
1.
Touch
.
Hach Programs
Select program
95 Chromium, Hex. AV
Touch
.
Start
Chromium, Hexavalent
Page 2 of 6
10 mL
6.
When the timer
beeps, place the blank
into the cell holder.
10 mL
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.
.
Zero
7.
Touch
.
Zero
The display will show:
6+
0.00 mg/L Cr
3.
Fill a ChromaVer 3
Reagent AccuVac®
Ampul with sample
(the prepared sample).
Keep the tip immersed
while the ampule fills
completely.
ChromiumHex_AVPP_Other_DCH_Eng_Ody.fm
10 mL
8.
Place the prepared
sample into the cell
holder.
Touch
.
Read
Results will appear in
6+
mg/L Cr
.
Method 8023
4.
Quickly invert the
ampule several times to
mix. Wipe off any liquid
or fingerprints.
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