Tentative method of analysis for hydrogen sulfide content of the atmosphere. 42402-01-70T.
D000397:Air Pollution / Q000032:analysis*; D000814:Aniline Compounds; D002104:Cadmium; D055598:Chemical Phenomena; D002621:Chemistry; D002712:Chlorides; D006863:Hydrogen-Ion Concentration; D007501:Iron; D008751:Methylene Blue; D010084:Oxidation-Reduction; D013053:Spectrophotometry; D013440:Sulfides / Q000032:analysis*
D000814:Aniline Compounds; D002712:Chlorides; D013440:Sulfides; D002104:Cadmium; D007501:Iron; D008751:Methylene Blue