Hanna Instruments c 99 Manuel D’Utilisation

43

Chlorine Dioxide

SPECIFICATIONS

Range

0.00 to 2.00 mg/L

Resolution

0.01 mg/L

Accuracy

±0.10 mg/L ±5% of reading

Typical EMC

±0.01 mg/L

Deviation

Light Source

Tungsten lamp with narrow band interference

filter @ 575 nm

Method

Adaptation of the Chlorophenol Red method. The

reaction between chlorine dioxide and reagents

causes a colorless to purple tint in the sample.

REQUIRED REAGENT

Code

Description

Quantity

HI  93738A-0

Reagent A

1 mL

HI  93738B-0

Dechlorinating Reagent B 1 packet

HI  93738C-0

Reagent C

1 mL

HI 93738D-0

Reagent D

1 mL

REAGENT SETS

HI 93738-01 Reagents for 100 tests

HI 93738-03 Reagents for 300 tests

For other accessories see page 141.

MEASUREMENT PROCEDURE

• Select the program number corresponding to Chlorine Dioxide on

the secondary LCD by pressing PROGRAM W and V.

• Fill two graduated mixing cylin-

ders (#1 & #2) up to the
25 mL mark with the sample.

• Add 0.5 mL of HI 93738A chlo-

rine dioxide reagent to each
cylinder (#1 & #2), close them and invert several times to mix.