n n Reagents in iron ores flotation ScienceDirect n. The role of reagents utilised in iron ores flotation is reviewed.Des and flotation stages should be performed at pH levels as low as possible to reduce the expenses with caustic soda.Ether amines are by far the mostly utilised class of collector.The degree of neutralisation of the ether amine is an important process.الوطن مصدر ...