Hanna-instruments HI 83218 Manual do Utilizador descarregar pdf (Página 28)

10 mL

SPECIFICATIONS

Range 0.00 to 1.15 mg/L

Resolution 0.01 mg/L

Accuracy ±0.06 mg/L ±4% of reading at 25 °C

Typical EMC ±0.01 mg/L

Deviation

Light Source Tungsten lamp with narrow band interference filter @ 525 nm

Method Adaptation of the

EPA Diazotization method 354.1

. The reaction between nitrite and

the reagent causes a pink tint in the sample.

REQUIRED REAGENTS

Code Description Quantity

HI 93707-0 Powder reagent 1 packet

REAGENT SETS

HI 93707-01 Reagents for 100 tests

HI 93707-03 Reagents for 300 tests

For other accessories see page 34.

MEASUREMENT PROCEDURE

• Select the

Nitrite LR

method using the procedure described in the

Method Selection

section (see

page 11).

• Fill the cuvette up to the mark 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.

• Remove the cuvette.

Nitrite LR

NITRITE LOW RANGE

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Hanna-instruments HI 83218 Manual do Utilizador Página 28