Description of using 0.25% aniline solution to absorb phosgene in the atmosphere, and analyzed 1,3-diphenylurea formed with high pressure liquid chromatography (HPLC) were presented.

• 报道了用0.；25%25的苯胺溶液吸收大气中的光气；所形成的1；3-二苯基脲衍生物以高效液相色谱分析。