Potassium butyl xanthate bụ ihe na-emegharị flotation nwere ikike nchịkọta siri ike, nke a na-ejikarị eme ihe n'ọtụtụ flotation nke ụdị dị iche iche na-abụghị ígwè sulfide metal.Ngwaahịa a kwesịrị ekwesị maka flotation nke chalcopyrite, sphalerite, pyrite, wdg N'okpuru ọnọdụ ụfọdụ, enwere ike iji ya mee ihe n'ụzọ dị mma flotation ọla kọpa sulfide site na sulfide iron ore, ma ọ bụ họrọ sphalerite arụ ọrụ site ọla kọpa sulfate maka flotation.