Hanna-instruments HI 83208 Manual de usuario descargar pdf (Pagina 19)

Ammonia LR

SPECIFICATIONS

Range 0.00 to 3.00 mg/L

Resolution 0.01 mg/L

Accuracy ±0.04 mg/L ±4% of reading at 25 °C

Typical EMC ±0.01 mg/L

Deviation

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

Method Adaptation of the

ASTM Manual of Water and Environmental Technology, D1426-92

Nessler method. The reaction between ammonia and reagents causes a yellow tint in

the sample.

REQUIRED REAGENTS

Code Description Quantity

HI 93700A-0 First Reagent 4 drops (6 drops for seawater)

HI 93700B-0 Second Reagent 4 drops (10 drops for seawater)

REAGENT SETS

HI 93700-01 Reagents for 100 tests

HI 93700-03 Reagents for 300 tests

For other accessories see page 73.

MEASUREMENT PROCEDURE

• Select the

Ammonia LR

method using the procedure described in the

Method Selection

section (see page 12).

• Fill the cuvette with 10 mL of unreacted sample (up to the mark)

and replace the cap.

• Place the cuvette into the holder and close the lid.

• Press the Zero key. The display will show “-0.0-” when the meter is zeroed and ready for

measurement.

AMMONIA LOW RANGE

10 mL

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 75 76

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Hanna-instruments HI 83208 Manual de usuario Pagina 19