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AMMONIA HIGH RANGEAMMONIA HIGH RANGE
AMMONIA HIGH RANGEAMMONIA HIGH RANGE
AMMONIA HIGH RANGE
SPECIFICATIONS
Range 0.0 to 50.0 mg/L
Resolution 0.1 mg/L
Accuracy ±0.5 mg/L ±5% of reading
Typical EMC ±0.1 mg/L
Deviation
Light Source Tungsten lamp with narrow band interference
filter @ 420 nm
Method Adaptation of the ASTM Manual of Water and
Environmental Technology, D1426-92, Nessler
method. The reaction between ammonia and
reagents causes a yellow tint in the sample.
REQUIRED REAGENTS
Code Description Quantity
HI 93733A-0 Nessler Reagent 4 drops (in fresh and seawater)
HI 93733B-0 Ammonia Reagent 9 mL (in fresh and seawater)
REAGENT SETS
HI 93733-01 Reagents for 100 tests
HI 93733-03 Reagents for 300 tests
For other accessories see page 141.
MEASUREMENT PROCEDURE
• Select the program number corresponding to Ammonia HR on the
secondary LCD by pressing PROGRAM W and V.
• Fill a cuvet with 1 mL of unreacted sample, by
means of the syringe.
• Add 9 mL of HI 93733B
Ammonia Reagent, by
means of the 3 mL plastic
pipette. Place the cap and
swirl the solution to mix.
• Place the cuvet into the holder and
ensure that the notch on the cap is
positioned securely into the groove.
Ammonia HR
1 mL of
sample
9 mL