14
Ammonia
Wavelength – 465nm
Method – Nessler Method
Range - Nes 15N = 0.06 - 15.0 mg/l N
1
Remove the cap of the Tubetests Ammonia/15N
(Nessler) Cuvette and add 5.0 ml of sample by
using the syringe. Cap cuvette and invert three
times to mix.
2
Use this cuvette to Blank the instrument
3
Add 12 drops of Tubetests Ammonia (Nessler)
Reagent. Replace cap and invert several times to
mix.
4
Stand for one minute to allow colour development.
5
Select range Nes 15N
6
Take photometer reading in usual manner (see
section 2).
7
The result is displayed as mg/l N.
Summary of Contents for Ammonia Duo
Page 1: ......
