Hanna-instruments HI 83200 Manual de usuario descargar pdf (Pagina 34)

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Iron HR

• Reinsert the cuvette into the instrument.

• Press Timer and the display will show the countdown prior to the measurement or, alternatively, wait

for 3 minutes and press Read. When the timer ends the meter will perform the reading.

• The instrument displays concentration in mg/L of iron.

INTERFERENCES

Interference may be caused by:

Molybdate Molybdenum above 50 ppm

Calcium above 10000 ppm (as CaCO

)

Magnesium above 100000 ppm (as CaCO

)

Chloride above 185000 ppm.

Iron HR

IRON HIGH RANGE

SPECIFICATIONS

Range 0.00 to 5.00 mg/L

Resolution 0.01 mg/L

Accuracy ±0.04 mg/L ±2% 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 Phenantroline method 315B,

for natural and treated waters.

The reaction between iron and reagents causes an orange tint in the sample.

REQUIRED REAGENTS

Code Description Quantity

HI 93721-0 Powder Reagent 1 packet

REAGENT SETS

HI 93721-01 Reagents for 100 tests

HI 93721-03 Reagents for 300 tests

For other accessories see page 124.

MEASUREMENT PROCEDURE

• Select the

Iron HR

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-” the meter is zeroed and ready for measurement.

• Remove the cuvette and add the content of one packet of

HI 93721-0 reagent. Replace the cap and shake until dissolution

is complete.

10 mL

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 64 65

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