Hach-Lange BODTRACK II User Manual - Manual (Page 17)

7. Fill to the final test
range volume if
necessary with a
deionized wash water
bottle (
Table 6 ).
8. Move the prepared
sample from the
graduated cylinder to a
BODTrak II bottle.
Continue to
Completion
steps for all procedures
on page 15.
Note: Repeat steps 1 to
8 for additional
samples.
Completion steps for all procedures
Items to collect:
• BODTrak II
• Spatula scoop
• BOD incubator
• Seal cup
• Stir bar
Required reagents:
• 2 potassium hydroxide pellets
1. Put a stir bar into the
bottle. 2. Put a seal cup into
the neck of the bottle. 3. Use a spatula scoop
to add 2 potassium
hydroxide pellets to the
seal cup. Repeat steps
1 to 3 for each sample
bottle. 4. Put the bottles on
the BODTrak II chassis.
Connect the applicable
tube to the sample
bottle and tighten the
cap. 5. Put the instrument in
the incubator. The
incubator temperature
must be 20 ± 1 ºC.
Note: Instrument
performance has not
been tested at other
temperatures. 6. Plug in and power
on the instrument.
Make sure that all the
stir bars are rotating. If
not, lift the bottle up
then set it down again.
English 15