title: [Photocolorimetric method of determining nitric acid in the presence of other string mineral acids and caustic alkalis in the atmosphere].
mesh_terms: D000393:Air Pollutants; D002424:Caustics / Q000032:analysis; D003124:Colorimetry / Q000379:methods*; D008903:Minerals / Q000032:analysis; D009566:Nitrates / Q000032:analysis*; D010783:Photometry / Q000379:methods*
chemical_list: D000393:Air Pollutants; D002424:Caustics; D008903:Minerals; D009566:Nitrates
vernacular_title: Fotokolorimetricheskiĭ metod opredeleniia azotnoĭ kisloty v prisutstvii drugikh sil'nykh mineral'nykh kislot i edkikh shchelocheĭ v atmosfernom vozdukhe.