O lo'o fa'aaogaina lautele le so'o e pu'e uliuli i le sulfide flotation.Ua faʻaaogaina talu mai le 1925.
O lona igoa vailaʻau o le dihydrocarbyl thiophosphate.Ua vaevaeina i ni vaega se lua:
dialkyl dithiophosphate ma dialkyl monothiophosphate.E mautu E lelei
meatotino ma e mafai ona faʻaaogaina i se pH maualalo e aunoa ma le vave faʻaleagaina.