[Separate quantitative determination of quartz: its low content in industrial dust].
D000393:Air Pollutants / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D004391:Dust / Q000032:analysis*; D005069:Evaluation Studies as Topic; D010756:Phosphoric Acids; D011189:Potassium Chloride; D011791:Quartz / Q000032:analysis*; D012822:Silicon Dioxide / Q000032:analysis*; D013055:Spectrophotometry, Infrared
D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D004391:Dust; D010756:Phosphoric Acids; D011791:Quartz; D011189:Potassium Chloride; D012822:Silicon Dioxide
Razdel'noe kolichestvennoe opredelenie kvartsa pri nizkom soderzhanii ego v promyshlennoĭ pyli.