O le Phosphate o se tasi o mea masani o le toetoe lava o meaʻai uma ma e faʻaaogaina lautele i le gaosiga o meaʻai e avea o se meaʻai taua ma faʻaopoopoga aoga.O le phosphate masani o le phosphate rock (o loʻo i ai le calcium phosphate).O le sulfuric acid e tali atu i le papa phosphate e maua ai le calcium dihydrogen phosphate ma le calcium sulfate e mafai ona mitiia e laau e maua ai le phosphate.E mafai ona vaevaeina Phosphates i orthophosphates ma polycondensed phosphates: o phosphates o loʻo faʻaaogaina i le gaosiga o meaʻai e masani lava o le sodium, calcium, potassium, ma le uʻamea ma le zinc salts e fai ma faʻamalosia meaʻai.E masani ona fa'aogaina mea'ai-grade phosphates E silia ma le 30 ituaiga.O le sodium phosphate o le ituaiga taumafa autu lea o mea'ai phosphate.Faʻatasi ai ma le atinaʻeina o tekinolosi gaosiga o meaʻai, o loʻo faʻateleina foʻi le faʻaaogaina o le potassium phosphate i lea tausaga ma lea tausaga.