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11.3. AMMONIA HIGH RANGE
SPECIFICATIONS
Range
0.0 to 100.0 mg/L (as NH
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
HI93733A-0
Ammonia High Range Reagent A
HI93733B-0
Ammonia High Range Reagent B
REAGENT SETS
HI93733-01
Reagents for 100 tests
HI93733-03
Reagents for 300 tests
For other accessories see ACCESSORIES section.
MEASUREMENT PROCEDURE
• Select the
Ammonia HR
the METHOD SELECTION section.
• Add 1 mL of unreacted sample to the cuvette using a 1 mL syringe.
• Use the pipette to fill the cuvette up to the 10
mL mark with
HI93733B-0
Range Reagent B. Replace the plastic stopper
and the cap. Swirl to mix the solution.
• Insert the cuvette into the holder and close the lid.
-N)
3
method using the procedure described in
Ammonia High
Quantity
4 drops
9 mL
10 mL
1 mL
45
45
45
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