[Determination of sodium sulfide in workplace air].
D000395:Air Pollutants, Occupational / Q000032:analysis*; D008722:Methods; D013440:Sulfides / Q000032:analysis*
D000395:Air Pollutants, Occupational; D013440:Sulfides; C033479:sodium sulfide
Opredelenie sul'fida natriia v vozdukhe rabocheĭ zony.