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Ammonia (NH₃) occurs as a breakdown product of nitrogenous material in natural waters. It is also found in domestic effluents and certain industrial waste waters. Ammonia is harmful to fish and other forms of aquatic life and the ammonia level must be carefully controlled in water used for fish farms and aquariums. Ammonia tests are routinely applied for the monitoring of natural water, sea water; and for pollution control on effluents and waste waters.

Nessler Method
The Palintest Tubetests Ammonia (Nessler) test is based on the Nessler method. Nessler's reagent (potassium tetraiodomercurate (II)) reacts rapidly with ammonia under alkaline conditions to form an orange-brown product. The tests are available in three ranges: 0-15 mg/l N, 0-50 mg/l N and 0-100 mg/l N.

Indophenol
The Palintest Tubetests Ammonia (Indophenol) test is based on the Indophenol Blue method. Ammonia reacts with alkaline salicylate in the presence of chlorine to form a green-blue indophenol complex. The tests are available in two ranges: 0-12 mg/l N and 0-50 mg/l N.

Downloads:

Ammoniak_Nessler_15_ibv_eng.pdf	[Manual, English]	36 Kb
Ammoniak_Nessler_50_ibv_eng.pdf	[Manual, English]	34 Kb
Ammoniak_Nessler_100_ibv_eng.pdf	[Manual, English]	31 Kb
Nesslers_Reagens_Safetysheet_eng.pdf	[Safety sheet, English]	51 Kb
Ammoniak_Indophenol_ibv_eng.pdf	[Manual, English]	40 Kb