[An improved method for determining ammonia in atmospheric air].
D000397:Air Pollution / Q000032:analysis*; D000641:Ammonia / Q000032:analysis*; D007202:Indicators and Reagents; D007215:Indophenol; D008722:Methods
D007202:Indicators and Reagents; D007215:Indophenol; D000641:Ammonia
Eine verbesserte Methode zur Bestimmung von Ammoniak in der atmosphärischen Luft.