title: An improved method for determination of phosgene in air.
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D000814:Aniline Compounds; D007202:Indicators and Reagents; D008722:Methods; D009578:Nitrobenzenes; D010705:Phosgene / Q000032:analysis*; D010795:Phthalic Acids; D011725:Pyridines; D013053:Spectrophotometry
chemical_list: D000814:Aniline Compounds; D007202:Indicators and Reagents; D009578:Nitrobenzenes; D010795:Phthalic Acids; D011725:Pyridines; D010705:Phosgene