[Improvement of the method of determining ammonia in the atmosphere].
D000393:Air Pollutants; D000641:Ammonia / Q000032:analysis*; D002411:Cation Exchange Resins; D008722:Methods
D000393:Air Pollutants; D002411:Cation Exchange Resins; D000641:Ammonia
Usovershenstvovanie metoda opredeleniia ammiaka v atmosfernom vozdukhe.