[Photometric determination of sulfurous anhydride in the air].
D000336:Aerosols; D000393:Air Pollutants / Q000032:analysis*; D003124:Colorimetry / Q000379:methods; D009391:Nephelometry and Turbidimetry; D010783:Photometry / Q000379:methods*; D013458:Sulfur Dioxide / Q000032:analysis*; D013464:Sulfuric Acids / Q000032:analysis
D000336:Aerosols; D000393:Air Pollutants; D013464:Sulfuric Acids; D013458:Sulfur Dioxide; C033158:sulfuric acid
Fotometricheskoe opredelenie sernistogo angidrida v vozdukhe.