Trioxide - Wikipedia
网页A trioxide is a compound with three oxygen atoms. For metals with the M 2 O 3 formula there are several common structures. Al 2 O 3, Cr 2 O 3, Fe 2 O 3, and V 2 O 3 adopt the corundum structure. Many rare earth oxides adopt the "A …
Sulfur trioxide - Wikipedia
网页Sulfur trioxide (alternative spelling sulphur trioxide) is the chemical compound with the formula SO 3. It has been described as "unquestionably the most [economically] important sulfur oxide". [1] It is prepared on an industrial scale as a precursor to sulfuric acid.
Sulfur Trioxide & Sulfuric Acid | Public Health Statement | ATSDR
网页Sulfur trioxide is also called sulfuric oxide and sulfuric anhydride. It is used as an intermediate in the production of sulfuric acid, other chemicals, and explosives. Sulfur trioxide is unlikely to exist in the environment except for very short periods when it may be present in the air as a gas.
三氧化二砷 - 维基百科，自由的百科全书
网页三氧化二砷（學名： Arsenic trioxide ，藥品名： Asadin ），俗稱砒霜、白砒、鹤顶红 [1] ，分子式As 2 O 3 ，是最具商業價值的砷 化合物及主要的砷化學開始物料，也是最古老的毒物之一，無臭無味，外觀為白色霜狀粉末，故稱砒霜。
Sulfur trioxide | chemical compound | Britannica
网页Sulfur trioxide is a colourless compound that exists at room temperature either as a volatile liquid or in any of three allotropic solid forms. The liquid boils at 44.6° C (112° F) and solidifies at 16.83° C (62° F); the most stable of the solid forms melts at 62° C (144° F).
Sulfur trioxide | SO3 | CID 24682 - PubChem
网页Sulfur trioxide | SO3 or O3S | CID 24682 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
SO3- Sulphur Trioxide Structure, Molecular Mass, Properties and …
网页Sulphur trioxide is a white crystalline solid which fumes in air with the chemical formula SO3. Visit BYJU'S to understand the properties, structure and its uses.
Sulfur Trioxide & Sulfuric Acid | Toxic Substances | Toxic …
网页Sulfur trioxide (SO3) is generally a colorless liquid. It can also exist as ice- or fiber-like crystals or as a gas. When SO3 is exposed to air, it rapidly takes up water and gives off white fumes. It can react with water to form sulfuric acid. SO3 is also called sulfuric oxide and sulfuric anhydride.
Sulfur Trioxide - an overview | ScienceDirect Topics
网页Sulfur Trioxide is a highly reactive compound that is often used for sulfonation reactions in organic chemistry, particularly for aromatic compounds. It can add across double bonds to give sulfonic acids and can also react with other …
Unprecedented Ambient Sulfur Trioxide (SO3) Detection: Possible ...
网页2020年9月25日 · Sulfur trioxide (SO 3) is a crucial compound for atmospheric sulfuric acid (H 2 SO 4) formation, acid rain formation, and other atmospheric physicochemical processes. During the daytime, SO 3 is mainly produced from the photo-oxidation of …
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