Collecting agent for sulphidic ores, the production and use thereof

摘要

A method for the flotation of sulfide ores is disclosed. The method comprises contacting the sulfide ores with a composition comprising at least one compound of the formula where R¹, R² and R³ independently of one another are alkyl groups having 1 to 18 carbon atoms, alkenyl groups having 2 to 18 carbon atoms, aryl groups having 6 to 10 carbon atoms, or alkylaryl groups having 7 to 10 carbon atoms.