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manganese white iron

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  • Iron ore — Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the …   Wikipedia

  • Manganese — Man ga*nese , n. [F. mangan[ e]se, It. manganese, sasso magnesio; prob. corrupted from L. magnes, because of its resemblance to the magnet. See {Magnet}, and cf. {Magnesia}.] (Chem.) An element obtained by reduction of its oxide, as a hard,… …   The Collaborative International Dictionary of English

  • manganese — Man ga*nese , n. [F. mangan[ e]se, It. manganese, sasso magnesio; prob. corrupted from L. magnes, because of its resemblance to the magnet. See {Magnet}, and cf. {Magnesia}.] (Chem.) An element obtained by reduction of its oxide, as a hard,… …   The Collaborative International Dictionary of English

  • Manganese dioxide — Manganese Man ga*nese , n. [F. mangan[ e]se, It. manganese, sasso magnesio; prob. corrupted from L. magnes, because of its resemblance to the magnet. See {Magnet}, and cf. {Magnesia}.] (Chem.) An element obtained by reduction of its oxide, as a… …   The Collaborative International Dictionary of English

  • Manganese peroxide — Manganese Man ga*nese , n. [F. mangan[ e]se, It. manganese, sasso magnesio; prob. corrupted from L. magnes, because of its resemblance to the magnet. See {Magnet}, and cf. {Magnesia}.] (Chem.) An element obtained by reduction of its oxide, as a… …   The Collaborative International Dictionary of English

  • Manganese — Not to be confused with Magnesium. This article is about the chemical element. For the ghost town, see Manganese, Minnesota. For the steamship, see SS Manganese. chromium ← manganese → iron ↑ Mn ↓ Tc …   Wikipedia

  • iron processing — Introduction       use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting.       Iron (Fe) is a… …   Universalium

  • White Portland cement — or white ordinary Portland cement (WOPC) is similar to ordinary, gray Portland cement in all respects except for its high degree of whiteness. Obtaining this color requires substantial modification to the method of manufacture, and because of… …   Wikipedia

  • manganese — [maŋ′gə nēs΄, maŋ′gənēz΄] n. [Fr manganèse < It manganese, by metathesis < ML magnesia: see MAGNESIA] a grayish white, metallic chemical element, usually hard and brittle, which rusts like iron but is not magnetic: it is used in the… …   English World dictionary

  • Iron(II) chloride — Iron(II) chloride …   Wikipedia

  • manganese — /mang geuh nees , neez /, n. Chem. a hard, brittle, grayish white, metallic element, an oxide of which, MnO2 (manganese dioxide), is a valuable oxidizing agent: used chiefly as an alloying agent in steel to give it toughness. Symbol: Mn; at. wt …   Universalium

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