Hanna Instruments HI 83266 - Manual (Page 19)

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• Reinsert the cuvette into the instrument.
• Press Timer and the display will show the countdown prior to the measurement or, alternatively, wait
for 45 seconds and press Read. When the timer ends the meter will perform the reading.
• The instrument displays concentration in mg/L of cyanuric acid.
INTERFERENCES
Turbidity preexisting in the sample causes interference during measurement.
Cyanuric Acid
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/test
HI 93721-0 Iron High Range Reagent 1 packet
REAGENT SETS
HI 93721-01 Reagents for 100 tests
HI 93721-03 Reagents for 300 tests
For other accessories see page 46.
MEASUREMENT PROCEDURE
• Select the Iron method using the procedure described in the Method
Selection section (see page 15).
• 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 meter 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 93721-0 reagent. Replace the cap and shake until dissolution is
complete.
IRON
Iron
10 mL