Hanna-instruments HI 83200-01 Instrukcja Użytkownika Pobierz pdf (Strona 13)

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Ammonia MR

SPECIFICATIONS

Range 0.00 to 10.00 mg/L

Resolution 0.01 mg/L

Accuracy ±0.05 mg/L ±5% of reading

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 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 128.

MEASUREMENT PROCEDURE

• Select the

Ammonia MR

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 ZERO key. The display will show “-0.0-” when the meter is

zeroed and ready for measurement.

AMMONIA MEDIUM RANGE

• Remove the cuvette.

• Add carefully the content of one packet of HI 93755-0 Alkalinity

Indicator Reagent. Replace the cap and shake vigorously for 30

seconds.

Note: Pay attention not to spill reagent otherwise full color

development may be inhibited.

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

• Press TIMER and the display will show the countdown prior to the

measurement or, alternatively, wait for 2 minutes and press READ. When the timer ends the meter will

perform the reading.

• The instrument displays the results in mg/L of alkalinity (CaCO

Alkalinity

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 66 67

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