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Sulfuric(IV) acid (United Kingdom spelling: sulphuric(IV) acid), also known as sulfurous (UK: sulphurous) acid and thionic acid, [citation needed] is the chemical compound with the formula H 2 SO 3. Raman spectra of solutions of sulfur dioxide in water show only signals due to the SO 2 molecule and the bisulfite ion, HSO − 3 . [ 2 ]
Sulfuric acid is a very important commodity chemical; a country's sulfuric acid production is a good indicator of its industrial strength. [10] Many methods for its production are known, including the contact process, the wet sulfuric acid process, and the lead chamber process. [11] Sulfuric acid is also a key substance in the chemical industry.
The lead chamber process for sulfuric acid production was abandoned, partly because it could not produce sulfur trioxide or concentrated sulfuric acid directly due to corrosion of the lead, and absorption of NO 2 gas. Until this process was made obsolete by the contact process, oleum had to be obtained through indirect methods.
It could then be sold to the sulfuric acid works for a small profit. Lime was sometimes still used after the iron ore had thoroughly removed the sulfuret of hydrogen, to remove carbonic acid (carbon dioxide, CO 2), the bisulfuret of carbon (carbon disulfide, CS 2), and any ammonia still aeroform after its travels through the works. But it was ...
In whatever way SO 3 is formed, it does not behave like SO 2 in that it forms a liquid aerosol known as sulfuric acid (H 2 SO 4) mist that is very difficult to remove. Generally, about 1% of the sulfur dioxide will be converted to SO 3. Sulfuric acid mist is often the cause of the blue haze that often appears as the flue gas plume dissipates.
Federal authorities discovered a cooler filled with sulfuric acid in a Texas storage unit similar to the one found after Shamsud-Din Jabbar carried out his deadly truck attack on Bourbon Street ...
Polysulfuric acids including disulfuric acid (pyrosulfuric acid) H 2 SO 4 ·nSO 3 +6 Disulfate (commonly known as pyrosulfate), S 2 O 2− 7 and trisulfate, S 3 O 2− 10: Pure disulfuric acid melts at 36 °C. Present in fuming sulfuric acid, oleum. Examples known for n = 1 and n = 2. Peroxymonosulfuric acid: H 2 SO 5 +6 Peroxomonosulfate, OOSO ...
Texas has the dubious distinction of leading the nation in polluted waterways. A new report draws upon self disclosed data by industrial facilities provided to the EPA. The study counted 17 ...