title: Spectrophotometric determination of atmospheric sulfur dioxide.
mesh_terms: D000388:Air / Q000032:analysis*; D000397:Air Pollution / Q000517:prevention & control; D055598:Chemical Phenomena; D002621:Chemistry; D004396:Coloring Agents; D013053:Spectrophotometry; D013458:Sulfur Dioxide / Q000032:analysis*
chemical_list: D004396:Coloring Agents; D013458:Sulfur Dioxide