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Potassium Ethyl Xanthate (PEX)
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.
Usage:
- Mineral Flotation: Potassium ethyl xanthate is widely employed as a flotation reagent in ore processing. It acts as a collector, promoting the attachment of mineral particles to air bubbles, facilitating their separation from other components.
Characteristics:
- Collector Agent: As a xanthate, PEX acts by forming a hydrophobic film on the surface of mineral particles, allowing them to adhere to air bubbles during the flotation process.
Precautions:
- Safe Handling: Like all chemicals used in the industry, it is crucial to follow safe handling procedures. This may include wearing appropriate personal protective equipment (PPE).
- Storage: Potassium ethyl xanthate should be stored in accordance with safety guidelines, avoiding sources of heat and ignition.
- Compliance with Regulations: It is important to adhere to local and industrial safety regulations when handling and storing this compound.
- Safety Data Sheet (SDS): It is highly recommended to consult the product-specific safety data sheet for detailed information on handling, storage, and associated precautions, as these may vary depending on the specific product formulations.
Data sheet
- CAS Number
- 64-19-7
- HS Code
- 293090
- Chemical Formula
- C3H5OS2K
- Appearance
- Liquid
- Packaging
- 120kg drum
- Name / Reference
- Potassium Ethyl Xanthate (PEX)
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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.