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8.33. IRON HIGH RANGE
SPECIFICATIONS
Range 0.00 to 5.00 mg/L (as Fe)
Resolution 0.01 mg/L
Accuracy ±0.04 mg/L ±2% of reading at 25 °C
Light Source LED with narrow band interference filter @ 525 nm
Method Adaptation of the EPA Phenanthroline method 315B, for natural and
treated waters.
REQUIRED REAGENTS
Code Description Quantity
HI93721‑0 Iron High Range Reagent 1 packet
REAGENT SETS
HI93721‑01 Reagents for 100 tests
HI93721‑03 Reagents for 300 tests
For other accessories see page 200.
MEASUREMENT PROCEDURE
• Select the Iron HR method using the procedure described in
the Method Selection section (see page 18).
• 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.
10 mL
IRON HIGH RANGE
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