Tentative method of continuous analysis for carbon monoxide content of the atmosphere (nondispersive infrared method). 42101-04-69T.
D000397:Air Pollution / Q000032:analysis*; D002248:Carbon Monoxide / Q000032:analysis*; D005740:Gases; D007259:Infrared Rays; D008722:Methods; D010783:Photometry; D011312:Pressure; D013057:Spectrum Analysis / Q000295:instrumentation
D005740:Gases; D002248:Carbon Monoxide