title: Rapid new soft x-ray technique for determination of quartz in coal mine dusts.
mesh_terms: D003032:Coal Mining; D004391:Dust / Q000032:analysis*; D005374:Filtration; D008722:Methods; D012822:Silicon Dioxide / Q000032:analysis*; D013050:Spectrometry, Fluorescence
chemical_list: D004391:Dust; D012822:Silicon Dioxide