[Problem of determining fluorides in the air].
D000395:Air Pollutants, Occupational / Q000032:analysis*; D002124:Calcium Fluoride / Q000032:analysis*; D003124:Colorimetry / Q000379:methods; D012969:Sodium Fluoride / Q000032:analysis*; D014896:Welding
D000395:Air Pollutants, Occupational; D012969:Sodium Fluoride; D002124:Calcium Fluoride
K voprosu opredeleniia ftoridov v vozdukhe.