DR/2400
Oxygen, Dissolved
OxygenDis_AccuVac_High_HRD_Eng_Ody.fm Page 1 of 4
• Analyze samples on-site. Do not store for later analysis.
Oxygen, Dissolved
Method 8166
HRDO Method
AccuVac
®
Ampuls
HR (0.3 to 15.0 mg/L O
2
)
Scope and Application: For water and wastewater
1. Touch
Hach Programs.
Select program
445 Oxygen Di. HR AV.
Touch
Start.
2. Fill a round sample
cell (the blank) with at
least 10-mL of sample.
3. Fill a blue ampule cap
with sample.
4. Fill a High Range
Dissolved Oxygen
AccuVac Ampul with
sample. Keep the tip
immersed while the
ampule fills completely.
5. Hold the ampule with
the tip pointing down
and immediately place
the ampule into the
ampule cap.
The cap prevents
contamination from
atmospheric oxygen.
6. Shake the ampule for
30 seconds.
A small amount of
undissolved reagent will
not affect results.
7. Touch the timer icon.
Touch
OK.
A two-minute reaction
period will begin. This
enables the oxygen that
was degassed during
aspiration to redissolve
and react.
8. When the timer
beeps, shake the ampule
for 30 seconds.
Tips and Techniques
AccuVac Ampul Method 8166
Hach ProgramsHach Programs
To Next Page
Loading...
