The use of an iron - silicon, phosphorus - alloy as a heavy material in schweretrueben for the floating - rate - preparation of minerals

摘要

The invention provides the use of an iron/silicon/phosphorus-alloy containing between 8 and 25 weight % of silicon and between 0.3 and 2.5 weight % of phosphorus as heavy medium for making heavy pulps for the heavy media separation of minerals.