Tentative method of analysis for ammonia in the atmosphere (nitrite method).
D000397:Air Pollution / Q000032:analysis*; D000641:Ammonia / Q000032:analysis*; D001151:Arsenic; D001965:Bromides; D002384:Catalysis; D003124:Colorimetry; D004396:Coloring Agents; D004864:Equipment and Supplies; D005374:Filtration; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents; D008433:Mathematics; D008722:Methods; D009573:Nitrites; D012964:Sodium; D012972:Sodium Hydroxide; D012973:Sodium Hypochlorite; D013053:Spectrophotometry; D013464:Sulfuric Acids
D001965:Bromides; D004396:Coloring Agents; D007202:Indicators and Reagents; D009573:Nitrites; D013464:Sulfuric Acids; D012972:Sodium Hydroxide; D000641:Ammonia; D012964:Sodium; D012973:Sodium Hypochlorite; D001151:Arsenic