title: Phthalic anhydride as an impurity in industrial atmospheres: assay in air samples by gas chromatography with electron-capture detection.
mesh_terms: D000388:Air / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D002849:Chromatography, Gas; D004563:Electrochemistry; D010795:Phthalic Acids / Q000032:analysis*; D010796:Phthalic Anhydrides / Q000032:analysis*
chemical_list: D000395:Air Pollutants, Occupational; D010795:Phthalic Acids; D010796:Phthalic Anhydrides; C043103:phthalic anhydride