Hanna-instruments HI 83225 Uživatelský manuál Strana 32

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SPECIFICATIONS
Range 0 to 150 mg/L
Resolution 2.5 mg/L
Accuracy ±5 mg/L ±8% of reading at 25 °C
Typical EMC Dev. ±2.5 mg/L
Light Source Tungsten lamp with narrow band interference filter @ 525 nm
Method Adaptation of the cadmium reduction method. The reaction between nitrate-nitrogen
and the reagent causes an amber tint in the sample.
REQUIRED REAGENTS
Code Description Quantity
HI 93728-0 Powder reagent 1 packet
REAGENT SETS
HI 93728-01 Reagents for 100 tests
HI 93728-03 Reagents for 300 tests
For other accessories see page 57.
MEASUREMENT PROCEDURE
Note: for sample preparation follow the NUTRIENTS SOLUTION (MR) procedure at page 21.
Select the
Nitrate MR
method using the procedure described in
the
Method Selection
section (see page 12).
Using the pipette, fill the cuvette with 6 ml of sample, up to
half of its height, 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 and add the content of one packet of
HI 93728-0 reagent.
NITRATE MEDIUM RANGE
Nitrate MR
6 mL
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