Hanna Instruments c 99 Manuel D’Utilisation

Page de 148
102
Nitrate
NITRATE
NITRATE
NITRATE
NITRATE
NITRATE
SPECIFICATIONS
Range
0.0 to 30.0 mg/L
Resolution
0.1 mg/L
Accuracy
±0.5 mg/L ±10% of reading
Typical EMC
±0.1 mg/L
Deviation
Light Source
Tungsten lamp with narrow band interference
filter @ 525 nm
Method
Adaptation of the cadmium reduction method.
The reaction between nitrate 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 141.
MEASUREMENT PROCEDURE
• Select the program number corresponding to Nitrate on
the secondary LCD by pressing PROGRAM W and V.
• Using the pipette, fill the cuvet with 6 ml of sample,
up to half of its height, and replace the cap.
• Place the cuvet into the holder and
ensure that the notch on the cap is
positioned securely into the groove.
• Press ZERO and “SIP”
will blink on the dis-
play.
• Wait for a few seconds and the display will
show “-0.0-”. Now the meter is zeroed
and ready for measurement.
6 mL