flotation agent
91Naturstoffe — (engl. natural products) sind chemische Substanzen, die von Organismen gebildet werden, um biologische Funktionen zu erfüllen; ein modernes Synonym für Naturstoff ist Biomolekül. Im Gegensatz zum umgangssprachlichen Begriff Naturstoff werden… …
92mineral dressing — noun crushing and separating ore into valuable substances or waste by any of a variety of techniques • Syn: ↑mineral extraction, ↑mineral processing, ↑ore processing, ↑ore dressing, ↑beneficiation • Derivationally related forms: ↑beneficiate ( …
93ore dressing — noun crushing and separating ore into valuable substances or waste by any of a variety of techniques • Syn: ↑mineral extraction, ↑mineral processing, ↑mineral dressing, ↑ore processing, ↑beneficiation • Derivationally related forms: ↑beneficiate …
94frother — thə(r), th noun ( s) Etymology: froth (II) + er : an agent (as pine oil or cresol) that is active in froth flotation through its ability to change the surface tension of a liquid and consequently decrease the wettability of the particles to be… …
95sodium sulfide — noun : a sulfide of sodium; especially : a crystalline compound Na2S usually obtained by heating sodium sulfate with coal or hydrogen and used in dehairing hides, in the manufacture of sulfur dyes, as a solvent for these dyes, and as a reducing… …
