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Iron(III) oxide or ferric oxide is the inorganic compound with the formula Fe 2 O 3. It occurs in nature as the mineral hematite , which serves as the primary source of iron for the steel industry. It is also known as red iron oxide , especially when used in pigments .
People may become sensitized to certain metals by skin contact, usually by wearing or holding consumer products (including non-metal products, like textiles and leather treated with metals), or sometimes after exposure at work. Contact with damaged skin makes sensitization more likely. Medical implants may also cause allergic reactions.
Red iron(III) oxide (Fe 2 O 3, commonly known as rust) is the most common iron oxide used in thermite. [ 14 ] [ 15 ] [ 16 ] Black iron(II,III) oxide (Fe 3 O 4 , magnetite ) also works. [ 17 ] Other oxides are occasionally used, such as MnO 2 in manganese thermite, Cr 2 O 3 in chromium thermite, SiO 2 (quartz) in silicon thermite, or copper(II ...
Red light therapy for skin conditions. Red light therapy is commonly used to treat a range of skin conditions and issues. The low-level red and near-infrared light is thought to penetrate the skin ...
Iron is stored in many organisms in the form of ferritin, which is a ferrous oxide encased in a solubilizing protein sheath. [ 10 ] Species of bacteria , including Shewanella oneidensis , Geobacter sulfurreducens and Geobacter metallireducens , use iron oxides as terminal electron acceptors .
“Zinc oxide can help soothe skin irritation and inflammation, making it a good option for people with rosacea, acne, or other skin conditions,” adds Dr. Rodney.
In rare cases, a person undergoing a magnetic resonance imaging (MRI) exam may feel temporary discomfort or irritation around tattoos made with iron oxide pigments. [53] Looping or circular patterns may contribute to this effect. [9] Large amounts of ink in the skin, such as in blackout tattoos, may also increase the risk of this side effect. [54]
Intravenous iron infusions can cause skin rash, hives, itchiness and flush. Skin staining and discolouration can occur at the site of infusion if the iron and saline solution leaks outside the vein into the surrounding tissue. [14] Skin discolouration can be semi-permanent or permanent.
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