[Industrial hygiene problems in the use of sodium sulfide for the flotation of nonferrous and rare-metal ores].
D000818:Animals; D004305:Dose-Response Relationship, Drug; D004781:Environmental Exposure; D006801:Humans; D007928:Lethal Dose 50; D008452:Maximum Allowable Concentration; D008669:Metallurgy; D008674:Metals, Rare Earth; D051379:Mice; D051381:Rats; D013440:Sulfides / Q000009:adverse effects / Q000633:toxicity*; D013997:Time Factors; D014586:USSR
D008674:Metals, Rare Earth; D013440:Sulfides; C033479:sodium sulfide
Voprosy gigieny truda pri primenenii sernistogo natriia dlia flotatsii rud tsvetnykh i redkikh metallov.