Hanna-instruments HI 83200 Manual de usuario descargar pdf (Pagina 40)

78 79

• Fill one graduated mixing cylinder up to the 25 mL

mark with the sample.

• Add the content of one packet of HI 93730A-0

molybdenum reagent, close the cylinder and invert

it several times until completely dissolved.

• Add the content of one packet of HI 93730B-0

molybdenum reagent to the cylinder, close and

invert it several times until completely dissolved.

• Add the content of one packet of HI 93730C-0

molybdenum reagent to the cylinder, close and

shake it vigorously.

• Fill an empty cuvette with 10 mL of sample up to

the mark and replace the cap.

• Insert the cuvette into the instrument.

Molybdenum

MOLYBDENUM

SPECIFICATIONS

Range 0.0 to 40.0 mg/L

Resolution 0.1 mg/L

Accuracy ±0.3 mg/L ±5% of reading at 25 °C

Typical EMC ±0.1 mg/L

Deviation

Light Source Tungsten lamp with narrow band interference filter @ 420 nm

Method Adaptation of the mercaptoacetic acid method. The reaction between molybdenum and

the reagents causes a yellow tint in the sample.

REQUIRED REAGENT

Code Description Quantity

HI 93730A-0 Reagent A 1 packet

HI 93730B-0 Reagent B 1 packet

HI 93730C-0 Reagent C 1 packet

REAGENT SETS

HI 93730-01 Reagents for 100 tests

HI 93730-03 Reagents for 300 tests

For other accessories see page 124.

MEASUREMENT PROCEDURE

• Select the

Molybdenum

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.

25 mL

10 mL

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 64 65

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Hanna-instruments HI 83200 Manual de usuario Pagina 40

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