Xanthates are collectors used in sulfide-mineral flotation. Collector selection is a balance between recovery and selectivity, so a longer alkyl chain or stronger collecting action is not automatically the right choice for an ore.
Common xanthate collectors
Sodium ethyl xanthate (SEX), sodium isopropyl xanthate (SIPX), sodium butyl xanthate (SBX), sodium isobutyl xanthate (SIBX) and potassium amyl xanthate (PAX) are distinct supply products. Identify the salt and alkyl group when specifying a grade.
Ethyl grades are often considered where selectivity is important; longer-chain collectors can provide stronger collecting action.
Ore and circuit conditions
Copper, lead-zinc, nickel and gold-bearing sulfide circuits require ore-specific testing. Oxide or mixed ores may need different surface conditioning or reagent systems.
Mineralogy, pH, activation and depressant conditions influence the result. A collector cannot be selected solely from the target metal name.
A practical test sequence
Characterise the ore and define recovery and concentrate-grade objectives. Test collector type, dose and addition points with the actual water, frother and modifiers.
Compare results with a control circuit and assess unwanted mineral recovery. Review active content, supplied physical form, packing and the selected SDS before ordering, and protect the material from moisture and heat in storage.
Need a grade or specification?
Send us the product name, CAS number and target application. Our team will confirm the suitable grade and provide TDS, SDS and COA documentation.