Food-grade phosphoric acid (additive E338) is used to acidify foods and beverages such as various colas and jams. It provides a tangy or sour taste. Various salts of phosphoric acid, such as monocalcium phosphate, are used as leavening agents. Phosphoric acid in soft drinks has the potential to cause dental erosion.
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Orthophosphoric acid refers to phosphoric acid. Phosphoric Acid is a weak acid with chemical formula H3PO4.
Phosphoric Acid is an acid-containing four atoms of oxygen, one atom of phosphorus, and three atoms of hydrogen. It is also known as phosphoric(V) acid or orthophosphoric acid. It is present in teeth and bone and helps in metabolic processes. In its liquid form, it appears as a clear, colorless solution and in its solid form, it appears as transparent, crystalline solid.
As a sequestering agent, it helps in the binding of divalent cations. It is widely used in orthodontics and dentistry. Phosphoric acid is important in biogeochemistry and biochemistry. It is tribasic acid. The three regions are the region where pH is equal to pK, the region where pH is equal to 4.7 and the region where pH is equal to 9.8.
Phosphoric acid is one of the most important and useful mineral acids. ... Physical properties: Pure phosphoric acid is a white crystalline solid with melting point of 42.35° C. When it is less concentrated, it is a colorless, odorless, viscous liquid with a density of 1.885 g/mL. It is non-toxic and non-volatile.
Phosphoric acid (H3PO4) has many essential applications, in particular in the manufacture of fertilizers. Many acids are derived from phosphate rocks by a wet process based on the reaction between phosphate rocks and acid solutions.1 This acid (H3PO4) is a medium-strong acid, but is also highly corrosive to ferrous or ferrous alloys.
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