20
METHOD PROCEDURE
8. METHOD PROCEDURE
REQUIRED REAGENTS
Code Description
Quantity
HI93732A-0
Dissolved Oxygen Reagent A 5 drops
HI93732B-0
Dissolved Oxygen Reagent B 5 drops
HI93732C-0
Dissolved Oxygen Reagent C 10 drops
REAGENT SETS
HI93732-01
Dissolved Oxygen Reagent - 100 tests
HI93732-03
Dissolved Oxygen Reagent - 300 tests
For other accessories see ACCESSORIES section.
MEASUREMENT PROCEDURE
Note:
If tutorial mode is disabled follow the measurement procedure below. If the
tutorial mode is enabled, press
Measure
and follow the messages on the screen.
• Fill one 60 mL glass bottle completely with the
unreacted sample.
• Replace the cap and ensure that a small part of the
sample spills over.
• Remove the cap and add 5 drops of
HI93732A-0
and 5 drops of
HI93732B-0
.
• Add more sample to fill the bottle completely.
Replace the cap and ensure that a part of the
sample spills over.
Note:
This ensures no air bubbles have been
trapped inside the bottle. Trapped air bubbles
could alter readings.
• Invert the bottle several times until the sample turns
orange-yellow and a flocculating agent appears.
• Let the sample stand for approximately 2 minutes
to allow flocculating agent to settle.
• When the upper half of the bottle is clear, add 10
drops of
HI93732C-0
Dissolved Oxygen Reagent C.
×
5
×
5
×
10
