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Antimony(III) oxide is an amphoteric oxide. It dissolves in aqueous sodium hydroxide solution to give the meta-antimonite NaSbO 2 , which can be isolated as the trihydrate. Antimony(III) oxide also dissolves in concentrated mineral acids to give the corresponding salts, which hydrolyzes upon dilution with water. [ 7 ]
Antimony is a chemical element; it has symbol Sb (from Latin stibium) and atomic number 51. A lustrous grey metal or metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb 2 S 3). Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name kohl. [11]
Antimony oxide may refer to any of the following: Diantimony tetroxide, Sb 2 O 4; Antimony trioxide, Sb 2 O 3; Antimony pentoxide, Sb 2 O 5; Antimony ...
Perpetua Resources, which is building a U.S. antimony and gold project with support from the Pentagon, had planned to begin production by 2028, but is studying ways to produce antimony faster in ...
Valentinite is an antimony oxide mineral with formula Sb 2 O 3.Valentinite crystallizes in the orthorhombic system and typically forms as radiating clusters of euhedral crystals or as fibrous masses.
Antimony pentoxide (molecular formula: Sb 2 O 5) is a chemical compound of antimony and oxygen. ... The hydrated oxide is insoluble in nitric acid, ...
China is a major producer of antimony, and some U.S. policymakers have worried about being overly dependent on China as a source. The mineral's uses include flame retardants, batteries, night ...
Attempts to isolate it generally form Sb 2 O 3 ·xH 2 O, antimony(III) oxide hydrate, which slowly transforms into Sb 2 O 3. [1] In geology, the mineral stibnite, Sb 2 S 3, is sometimes called antimonite. Antimonites can be compared to antimonates, which contain antimony in the +5 oxidation state.