Hanna-instruments HI 83205 Manual de usuario descargar pdf (Pagina 31)

Chlorine Dioxide

CHLORINE DIOXIDE

SPECIFICATIONS

Range 0.00 to 2.00 mg/L

Resolution 0.01 mg/L

Accuracy ±0.10 mg/L ±5% of reading at 25 °C

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 73.

MEASUREMENT PROCEDURE

• Select the

Chlorine Dioxide

method using the procedure

described in the

Method Selection

section (see page 12).

• Fill two graduated mixing cylinders (#1 & #2) up to the

25 mL mark with the sample.

• Add 0.5 mL of HI 93738A-0 Chlorine Dioxide Reagent to each cylinder (#1 & #2), close them and invert

several times to mix.

# 2

25 mL

# 1

25 mL

# 1 & # 2

# 1 # 2

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 75 76

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Hanna-instruments HI 83205 Manual de usuario Pagina 31