title: [Photometric method of determination of surface-active agents in the air of mines].
mesh_terms: D000395:Air Pollutants, Occupational / Q000032:analysis*; D003032:Coal Mining; D006801:Humans; D010783:Photometry; D013501:Surface-Active Agents / Q000032:analysis*
chemical_list: D000395:Air Pollutants, Occupational; D013501:Surface-Active Agents
vernacular_title: Fotometricheskiĭ metod opredeleniia poverkhnostno-aktivnykh veshchestv v shakhtnoĭ atmosfere.