Hanna-instruments HI 83205 Bedienungsanleitung PDF herunterladen (Seite 42)

Hydrazine

HYDRAZINE

SPECIFICATIONS

Range 0 to 400 μg/L

Resolution 1 μg/L

Accuracy ±4% of full scale at 25 °C

Typical EMC ±2 μg/L

Deviation

Light Source Tungsten lamp with narrow band interference filter @ 420 nm

Method Adaptation of the

ASTM Manual of Water and Environmental Technology, method

D1385-88,

p-Dimethylaminobenzaldehyde method. The reaction between hydrazine

and the liquid reagent causes a yellow tint in the sample.

REQUIRED REAGENT

Code Description Quantity

HI 93704-0 Liquid Reagent 24 drops

REAGENT SETS

HI 93704-01 Reagents for 100 tests

HI 93704-03 Reagents for 300 tests

For other accessories see page 73.

MEASUREMENT PROCEDURE

• Select the

Hydrazine

method using the procedure described in

the

Method Selection

section (see page 12).

• Fill one cuvette up to the mark with 10 mL of distilled water.

• Place the cap, insert the cuvette # 1 into the holder and

close the lid.

• Press the Blank key to start adjusting the light level. The display will show “Blank done” when the

meter is ready to take a zero measurement.

• Fill a second cuvette with 10 mL of unreacted sample (up to

the mark) and replace the cap.

10 mL

# 1

10 mL

# 2

# 1

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Hanna-instruments HI 83205 Bedienungsanleitung Seite 42