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Food-grade phosphoric acid (additive E338 [32]) is used to acidify foods and beverages such as various colas and jams, providing a tangy or sour taste. The phosphoric acid also serves as a preservative. [33] Soft drinks containing phosphoric acid, which would include Coca-Cola, are sometimes called phosphate sodas or phosphates.
ICL Group Ltd. (Hebrew: איי.סי. אל. גרופ בע"מ) (formerly Israel Chemicals Ltd., ICL) [8] is a multi-national manufacturing concern that develops, produces and markets fertilizers, metals and other special-purpose chemical products. ICL serves primarily three markets: agriculture, food and engineered materials. [9]
Phosphoric acids and phosphates. Appearance. Pyrophosphoric acid. In chemistry, a phosphoric acid, in the general sense, is a phosphorus oxoacid in which each phosphorus (P) atom is in the oxidation state +5, and is bonded to four oxygen (O) atoms, one of them through a double bond, arranged as the corners of a tetrahedron.
Phosphates occur widely in nature mostly as phosphate rock or fluorapatite. Large deposits exist in Russia, USA, North Africa, China, where they are obtained mostly by open cast mining. Over 85% is used in fertiliser production and only less than 7% in feed phosphate production. Two types of deposits exist; of volcanic and of sedimentary origin.
Infobox references. Trisodium phosphate (TSP) is an inorganic compound with the chemical formula Na 3 P O 4. It is a white, granular or crystalline solid, highly soluble in water, producing an alkaline solution. TSP is used as a cleaning agent, builder, lubricant, food additive, stain remover, and degreaser. [7]
Sodium trimetaphosphate (also STMP), with formula Na 3 P 3 O 9, is one of the metaphosphates of sodium. It has the formula Na3P3O9 but the hexahydrate Na3P3O9· (H2O)6 is also well known. It is the sodium salt of trimetaphosphoric acid. It is a colourless solid that finds specialised applications in food and construction industries.