Potassium metaphosphate ( E341, CAS#7758-87-4, HS code:283526) is a calcium salt of phosphoric acid manufactured through chemical synthesis, available as WHITE POWDER. Tricalcium Phosphate is widely used as nutrition supplements and anti-caking agent in food production. - See more at: http://www.yameiaspartame.com/products/potassium-metaphosphate/#sthash.8o2aUvng.dpuf
Trisodium Phosphate ( E339, CAS#7601-54-9, HS code:283529)including monosodium phosphate, disodium phosphate, and trisodium phosphate are food additives used as antioxidant agents and have the E339. Trisodium phosphate is commonly found in many brands of children’s cereal, toothpaste, processed cheese, meats, and canned soups.