Hanna-instruments HI 83203 Instrukcja Użytkownika Pobierz pdf (Strona 34)

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 46.

MEASUREMENT PROCEDURE

• Select the

Nitrite LR

method using the procedure described

in the

Method Selection

section (see page 12).

• 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.

• Add the content of one packet of HI 93707-0 reagent.

Replace the cap and shake gently for about 15 seconds.

Nitrite LR

NITRITE LOW RANGE

10 mL

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 47 48

Brak uwag

Hanna-instruments HI 83203 Instrukcja Użytkownika Strona 34