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ferric oxide |
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ferric oxide(Fe2O3) An oxidation of iron used in the coating of magnetic disks and tapes. See ferrous. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Granular ferric oxide is an iron-based adsorbent that can capture both arsenate and arsenite, but in general, it functions best at or below a pH of 7, and both phosphates and silicates can interfere with its action. The sand cores were made predominately out of silica sand, which contained a significant amount of aluminum oxide as well as ferric oxide and calcium oxide. In the 1970s, disk drives used hand-wound ferrite core "Monkey Face" heads and 14-inch 300 Oersted coercivity Ferric Oxide media. |
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