Ammonia/15N Nessler
Photometric test for Ammonia in freshwater, seawater, and wastewater
Colour Change
Colourless to Yellow to orange
Range:
0 - 15 mg/L N
Technical Resource:
Ammonia Nessler Test Method, Technical Information
Notes:

Nessler's reagent is sensitive to air, replace cap promptly

01
Add 5 mL of sample to a Tubetest.
02
Invert tube a few times to mix.
03
Use this to "blank" the instrument. Fit the Tubetest adapter to Lumiso, insert tube and press Blank.
04
Add 12 drops of Nessler's reagent.
05
Invert tube a few times to mix.
06
Without delay, place tube in cell holder and press Measure.
07
Allow timer to count down 1 minute. The concentration of Ammonia will then be displayed.
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