Hanna-instruments HI 83211 Manual do Utilizador descarregar pdf (Página 37)

Iron LR

SPECIFICATIONS

Range 0 to 400 μg/L

Resolution 1 μg/L

Accuracy ±10 μg/L ±8% of reading at 25 °C

Typical EMC ±1 μg/L

Deviation

Light Source Tungsten lamp with narrow band interference filter @ 575 nm

Method Adaptation of the TPTZ Method. The reaction between iron and the reagent causes a

violet tint in the sample.

REQUIRED REAGENTS

Code Description Quantity

HI 93746-0 TPTZ Reagent 2 packets

REAGENT SETS

HI 93746-01 Reagents for 50 tests

HI 93746-03 Reagents for 150 tests

For other accessories see page 66.

MEASUREMENT PROCEDURE

• Select the

Iron LR

method using the procedure described in

the

Method Selection

section (see page 12).

• Fill one graduated mixing cylinder up to the 25 mL mark

with deionized water.

• Add the content of one packet of HI 93746-0 TPTZ reagent,

close the cylinder and shake vigorously for 30 seconds. This is

the blank.

• Fill a cuvette with 10 mL of the blank up to the mark and

replace the cap.

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

10 mL

25 mL

IRON LOW RANGE

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 67 68

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Hanna-instruments HI 83211 Manual do Utilizador Página 37