[Infrared spectrophotometry in determination of nitrogen oxides].
D000397:Air Pollution; D009584:Nitrogen / Q000032:analysis*; D009589:Nitrogen Oxides; D013055:Spectrophotometry, Infrared
D009589:Nitrogen Oxides; D009584:Nitrogen
AIR POLLUTION; NITROGEN/determination
Méthode spectrophotométrique infrarouge de dosage des oxydes d'azote.