sodium aluminium phosphate
Noun
Meaning
sodium aluminium phosphate (plural sodium aluminium phosphates)
(inorganic chemistry) An ionic compound made up of aluminium cations (Al), sodium cations (Na), and phosphate anions (PO4) in the ratio of 1:3:2, respectively. Other ratios are possible and some combinations also contain hydrogen and/or water molecules and/or HPO4 as well. It is used in baking as a leavening agent for making sponge cakes, crumpets.