Hanna-instruments HI 83215-2008 Series Manual de usuario descargar pdf (Pagina 23)

Ammonia HR

SPECIFICATIONS

Range 0 to 100 mg/L

Resolution 1 mg/L

Accuracy ±1 mg/L ±4% of reading at 25 °C

Typical EMC ±1 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 93715A-0 First Reagent 4 drops (6 drops for seawater)

HI 93715B-0 Second Reagent 4 drops (10 drops for seawater)

REAGENT SETS

HI 93715-01 Reagents for 100 tests

HI 93715-03 Reagents for 300 tests

For other accessories see page 50.

MEASUREMENT PROCEDURE

Note: for sample preparation follow the NUTRIENTS SOLUTION (HR)

procedure at page 21.

• Select the

Ammonia HR

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 HIGH RANGE

10 mL

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 51 52

Sin comentarios

Hanna-instruments HI 83215-2008 Series Manual de usuario Pagina 23