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White cast iron is more brittle, but also harder. It is generally avoided, because it is difficult to work, except in China where high-sulfur cast iron, some as high as 0.57%, made with coal and coke, was used to make bells and chimes. According to Turner (1900, pp. 200), good foundry iron should have less than 0.15% sulfur. In the rest of the ...
Since iron stores in the body are generally depleted, and there is a limit to what the body can process (about 2–6 mg/kg of body mass per day; i.e. for a 100 kg/220 lb man this is equal to a maximum dose of 200–600 mg/per day) without iron poisoning, this is a chronic therapy which may take 3–6 months.
An example of a low-spin iron(III) complex is [Fe(CN) 6] 3−. Iron shows a great variety of electronic spin states, including every possible spin quantum number value for a d-block element from 0 (diamagnetic) to 5 ⁄ 2 (5 unpaired electrons). This value is always half the number of unpaired electrons.
Dietary iron supports overall health and wellness.Your body needs a wide range of vitamins and minerals to run optimally every day, and that means eating a varied, balanced diet rich in whole ...
Iron deficiency, or sideropenia, is the state in which a body lacks enough iron to supply its needs. Iron is present in all cells in the human body and has several vital functions, such as carrying oxygen to the tissues from the lungs as a key component of the hemoglobin protein, acting as a transport medium for electrons within the cells in the form of cytochromes, and facilitating oxygen ...
Ferrous metallurgy is the metallurgy of iron and its alloys. The earliest surviving prehistoric iron artifacts, from the 4th millennium BC in Egypt, [1] were made from meteoritic iron-nickel. [2] It is not known when or where the smelting of iron from ores began, but by the end of the 2nd millennium BC iron was being produced from iron ores in ...
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