![](http://catalogue.topnegoce.com/1843-large_default/potassium-ethyl-xanthate-pex-top-negoce.jpg)
![](http://catalogue.topnegoce.com/1843-large_default/potassium-ethyl-xanthate-pex-top-negoce.jpg)
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It is the reagent with the highest selectivity due to its short carbonated chain. Generally used in complex Ag/Pb or Zinc ores. Xanthates have been the workhorse of sulfide mineral flotation since the 1920s (Harris 1989) and they represent the largest volume of any sulfide mineral collector. Xanthate collectors are salts composed of a non-polar hydrocarbon group, providing hydrophobicity to a sulfide mineral, pointing outward from the mineral towards the solution, and a polar group that adsorbs onto the surface of the sulfide mineral.
Potassium Ethyl Xanthate (PEX):
Potassium ethyl xanthate (PEX) is a chemical compound used in the mining industry for mineral flotation.
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Data sheet