Ufa wonyezimira kapena pellet wokhala ndi fungo lonunkhira bwino, wosungunuka momasuka ndi ma ion achitsulo osiyanasiyana.Pottassium Isobutyl Xanthate ndiwonso wokhometsa mwamphamvu pakuyandama kwa ores osiyanasiyana azitsulo zachitsulo za sulfide.ottassium Isobutyl Xanthate amagwiritsidwa ntchito makamaka mumkuwa woyandama, lead, zinki ect.Mafuta a sulfide.Yakhala yothandiza kwambiri pakuyandama kwa ma copper pres ndi ma pyrites m'mabwalo achilengedwe.