Flexibility of x-ray emission spectrography as adapted to microanalysis of air pollutants.
D000397:Air Pollution; D004391:Dust / Q000032:analysis*; D005374:Filtration; D007854:Lead / Q000032:analysis; D008722:Methods; D008832:Microchemistry / Q000295:instrumentation*; D013057:Spectrum Analysis; D014131:Trace Elements / Q000032:analysis
D004391:Dust; D014131:Trace Elements; D007854:Lead