Fluorosilicic acid (also known as FSA) is used as a source of fluoride in drinkable water. This assists in preventing cavities in teeth. It is an inorganic compound with the chemical formula (H2SiF6).Product info download
Fluorosilicic acid, as well as Phosphoric acid, are produced as co-products by acidulation of phosphate rock by sulphuric acid. Phosphate rock contains both calcium phosphate and calcium fluoride, and by acidulation both products are obtained.
Fluorosilicic Acid can only exist as a liquid. There is no solid form. It is rarely encountered undiluted and has a distinctive sour taste and pungent smell.
The largest quantity of hydrofluorosilicic acid worldwide is converted to cryolite and aluminum fluoride. These materials are key in the process of converting aluminium ore into aluminium metal.
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