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AMMONIA HIGH RANGE
8.5. AMMONIA HIGH RANGE
SPECIFICATIONS
Range 0.0 to 100.0 mg/L (as NH
3
‑N)
Resolution 0.1 mg/L
Accuracy ±0.5 mg/L ±5% of reading at 25 °C
Light Source LED with narrow band interference filter @ 420 nm
Method Adaptation of the ASTM Manual of Water and Environmental Technology,
D1426, Nessler method.
REQUIRED REAGENTS
Code Description Quantity
HI93733A‑0 Ammonia High Range Reagent A 4 drops
HI93733B‑0 Ammonia High Range Reagent B 9 mL
REAGENT SETS
HI93733‑01 Reagents for 100 tests
HI93733‑03 Reagents for 300 tests
For other accessories see page 87.
MEASUREMENT PROCEDURE
• Select the Ammonia HR method using the procedure described in the
Method Selection section (see page 17).
• Add 1mL of unreacted sample to the cuvette using 1mL
syringe.
• Use the pipette to fill the cuvette up to the 10 mL mark
with HI93733B‑0 Ammonia High Range Reagent B.
Replace the cap and mix the solution.
• Place the cuvette into the holder and close the lid.
1 mL
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