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117

DISSOLVED OXYGENDISSOLVED OXYGEN

DISSOLVED OXYGEN

SPECIFICATIONS

Range 0.0 to 10.0 mg/L

Resolution 0.1 mg/L

Accuracy ±0.4 mg/L ±3% of reading

Typical EMC ± 0.1 mg/L

Deviation

Light Source Tungsten lamp with narrow band interference

filter @ 420 nm

Method Adaptation of the Standard Methods for the

Examination of Water and Wastewater, 18

edition, Azide modified Winkler method. The

reaction between dissolved oxygen and the reagents

causes a yellow tint in the sample.

REQUIRED REAGENTS

Code Description Quantity

HI 93732A-0 Reagent A 5 drops

HI 93732B-0 Reagent B 5 drops

HI 93732C-0 Reagent C 10 drops

REAGENT SET

HI 93732-01 Reagents for 100 tests

HI 93732-03 Reagents for 300 tests

For other accessories see page 141.

MEASUREMENT PROCEDURE

• Select the program number corresponding to Dissolved Oxygen on

the secondary LCD by pressing PROGRAM W and V.

• 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

HI 93732A and 5 drops of

HI 93732B.

x 5

Dissolved Oxygen

Hanna Instruments C 99 series User Manual

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