Collect. Czech. Chem. Commun. 1989, 54, 341-345

Continuous monitoring of ammonia in the atmosphere using an aerodisperse enrichment unit

Zbyněk Večeřaa, Jaroslav Janáka, Stanislav Piscab and Jan Rezbárikb

a Institute of Analytical Chemistry, Czechoslovak Academy of Sciences, 611 42 Brno
b Institute of Hygiene of Animals and Veterinary Technique, 918 21 Trnava


Continuous monitoring of low concentrations of ammonia in the gas phase is described. The rather low limit of detection is achieved by the absorption of ammonia from the atmosphere in the polydispersed aerosol of water and by the selective detection of ammonia in the concentrate by means of the gas-phase ion-selective NH3-electrode (ISE-NH3). The worked out monitor is computer-controlled and it was used in the veterinary service for testing the microclima of buildings for agricultural use. The reliability of the method was checked by the reference standard method.