66
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 132.
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
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