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A hydrofluoric acid burn is a chemical burn from hydrofluoric acid. [1] Where it contacts the skin it results in significant pain, swelling, redness, and skin breakdown. [1] [2] If the fumes are breathed in swelling of the upper airway and bleeding may occur. [2] Complications can include electrolyte, heart, lung, kidney, and neurological ...
Hydrogen fluoride is typically produced by the reaction between sulfuric acid and pure grades of the mineral fluorite: [14] CaF 2 + H 2 SO 4 → 2 HF + CaSO 4. About 20% of manufactured HF is a byproduct of fertilizer production, which generates hexafluorosilicic acid. This acid can be degraded to release HF thermally and by hydrolysis: H 2 SiF ...
Other sources include glass-etching or chrome-cleaning agents like ammonium bifluoride or hydrofluoric acid, [12] [13] industrial exposure to fluxes used to promote the flow of a molten metal on a solid surface, volcanic ejecta (for example, in cattle grazing after an 1845–1846 eruption of Hekla and the 1783–1784 flood basalt eruption of ...
Treatment with either Hexafluorine or calcium gluconate is required to deal with hydrofluoric acid contamination. Like all of the emergency treatments, Diphoterine solution is not a substitute for professional medical attention, so immediate attention from emergency medical personnel should always be sought, especially if the chemical spill was ...
Hydrofluoric acid is a solution of hydrogen fluoride (HF) in water. Solutions of HF are colorless, acidic and highly corrosive . A common concentration is 49% (48-52%) but there are also stronger solutions (e.g. 70%) and pure HF has a boiling point near room temperature.
Torrance resident Isabel Douvan Schwartz said she worries about a major earthquake hitting her community, largely because of the impact it could have on the massive Torrance Refinery two miles ...
More specifically, acidic foods and beverages can worsen acid reflux symptoms (e.g. heartburn). What's more, adding certain extra ingredients to coffee, such as MCT oil, can increase the amount of ...
In burns caused by hydrofluoric acid, calcium gluconate is a specific antidote and may be used intravenously and/or topically. [37] Recombinant human growth hormone (rhGH) in those with burns that involve more than 40% of their body appears to speed healing without affecting the risk of death. [ 78 ]