| abstract |
The present invention relates a flotation reagent for sulfidic ores, containing at least one compound of formula (1), wherein R 2 , R 3 , R 4 , R 5 , R 6 and R 7 , independent of one another, represent hydrogen or groups containing 1 to 15 carbon atoms or groups containing oxygen or nitrogen, and at least another compound serving as collector and containing at least one sulfur atom that is directly bound to a carbon or phosphorus atom, wherein the carbon or phosphorus atom is directly bound to at least another sulfur atom or an oxygen atom. |