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Fluoroantimonic acid is a mixture of hydrogen fluoride and antimony pentafluoride, containing various cations and anions (the simplest being H 2 F + and Sb F − 6).This mixture is a superacid that, in terms of corrosiveness, is trillions of times stronger than pure sulfuric acid when measured by its Hammett acidity function.
For example, fluoroantimonic acid, nominally (H 2 FSbF 6), can produce solutions with a H 0 lower than –28, giving it a protonating ability over a billion times greater than 100% sulfuric acid. [5] [6] Fluoroantimonic acid is made by dissolving antimony pentafluoride (SbF 5) in anhydrous hydrogen fluoride (HF).
Antimony pentafluoride is the inorganic compound with the formula Sb F 5.This colourless, viscous liquid is a strong Lewis acid and a component of the superacid fluoroantimonic acid, formed upon mixing liquid HF with liquid SbF 5 in 1:1 ratio.
5 is a powerful Lewis acid used to make the superacid fluoroantimonic acid ("H 2 SbF 7 "). Oxyhalides are more common for antimony than for arsenic and phosphorus. Antimony trioxide dissolves in concentrated acid to form oxoantimonyl compounds such as SbOCl and (SbO) 2 SO 4. [35]
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Hexafluoroantimonate is the conjugate base of the superacid fluoroantimonic acid HF·SbF 6. As fluoroantimonic acid is one of the strongest known acids (only weaker than the helium hydride ion and potentially some carborane acids), hexafluoroantimonate is one of the weakest known bases. Higher fluoroantimonates are believed to be even less basic
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Glutathione is a protective antioxidant composed of three amino acids: cysteine, glutamic acid and glycine. They’re located all over the body and involved in cellular functioning, Cohen said.