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Chromium Oxide
Cr2O3
1308-38-9
Product
Product Code
Order or Specifications
99% Chromium Oxide
CR-OX-02
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99.9% Chromium Oxide
CR-OX-03
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99.99% Chromium Oxide
CR-OX-04
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99.999% Chromium Oxide
CR-OX-05
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Chromium Oxide is a highly insoluble thermally stable Chromium source suitable for glass, optic Ultra High Purity (99.99+%) Oxide Powder and ceramic applications. Oxide compounds are not conductive to electricity. However, certain perovskite structured oxides are electronically conductive finding application in the cathode of solid oxide fuel cells and oxygen generation systems. They are compounds containing at least one oxygen anion and one metallic cation. They are typically insoluble in aqueous solutions (water) and extremely stable making them useful in ceramic structures as simple as producing clay bowls to advanced electronics and in light weight structural components in aerospace and electrochemical applications such as fuel cells in which they exhibit ionic conductivity. Metal oxide compounds are basic anhydrides and can therefore react with acids and with strong reducing agents in redox reactions. Chromium Oxide is also available in pellets, pieces, powder, sputtering targets, tablets, and nanopowder (from American Elements' nanoscale production facilities). See Nanotechnology for more nanotechnology applications information. Chromium Oxide is generally immediately available in most volumes. High purity, submicron and nanopowder forms may be considered. Additional technical, research and safety (MSDS) information is available.

Chromium is a Block D, Group 6, Period 4 element. The electronic configuration is [Ar] 3d5 4s1. In its elemental form chromium's CAS number is 7440-47-3. The chromium atom has a radius of 124.9.pm and it's Van der Waals radius is 200.pm. Chromium is highly resistant to corrosion. This has led to its use in numerous alloying and steel producing applications. When chromium is added to glass or ceramic glazes, it produces a brilliant green.

Formula CAS No. Appearance Molecular Weight
Cr2O3 1308-38-9 Green Crystals 151.99
PRODUCT CATALOG Submicron & Nanopowder Tolling Ultra High Purity Sputtering Target Crystal Growth Rod, Plate, Powder, etc.
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Recent Research & Development for Chromium

  • Comparison of in vitro Cr(VI) reduction by CFEs of chromate resistant bacteria isolated from chromate contaminated soil. Bioresour Technol. 2008 Jul;99(10):4130-7. Epub 2007 Oct 24.

  • Kinetic and equilibrium modeling of chromium (VI) biosorption on fresh and spent Spirulina platensis/Chlorella vulgaris biomass. Bioresour Technol. 2008 Jun;99(9):3600-8. Epub 2007 Sep 27.

  • Molecular basis of chromium insulin interactions. Biochem Biophys Res Commun. 2008 May 2;369(2):725-9. Epub 2008 Feb 26.

  • Biosorption of chromium(VI) using a Sargassum sp. packed-bed column. Bioresour Technol. 2008 May;99(8):3094-9. Epub 2007 Aug 6.

  • Low-cost supports used to immobilize fungi and reliable technique for removal hexavalent chromium in wastewater. Bioresour Technol. 2008 May;99(7):2234-2241. Epub 2007 Jul 2.

  • Removal of chromium(VI) from water and wastewater using surfactant modified coconut coir pith as a biosorbent. Bioresour Technol. 2008 May;99(7):2218-25. Epub 2007 Jun 29.

  • Hexavalent chromium uptake and its effects on mineral uptake, antioxidant defence system and photosynthesis in Amaranthus viridis L. Bioresour Technol. 2008 May;99(7):2628-36. Epub 2007 Jun 13.

  • Trace element exposure in the environment from MSW landfill leachate sediments measured by a sequential extraction technique. J Hazard Mater. 2008 May 1;153(1-2):751-8. Epub 2007 Sep 8.

  • Biosorption of Cr(VI) by three different bacterial species supported on granular activated carbon-A comparative study. J Hazard Mater. 2008 May 1;153(1-2):799-809. Epub 2007 Sep 12.

  • Hexavalent chromium reduction with scrap iron in continuous-flow system Part 1: Effect of feed solution pH. J Hazard Mater. 2008 May 1;153(1-2):655-62. Epub 2007 Sep 6.

  • Solid phase extraction method for the determination of iron, lead and chromium by atomic absorption spectrometry using Amberite XAD-2000 column in various water samples. J Hazard Mater. 2008 May 1;153(1-2):454-61. Epub 2007 Aug 31.

  • Characterization of the fine fraction of the argon oxygen decarburization with lance (AOD-L) sludge generated by the stainless steelmaking industry. J Hazard Mater. 2008 May 1;153(1-2):89-95. Epub 2007 Aug 15.

  • Kinetic and thermodynamic studies of the biosorption of Cr(VI) by Pinus sylvestris Linn. J Hazard Mater. 2008 May 1;153(1-2):52-9. Epub 2007 Aug 12.

  • Geochemical stability of chromium in sediments from the lower Hackensack River, New Jersey. Sci Total Environ. 2008 May 1;394(1):103-11. Epub 2008 Mar 4.

  • Hexavalent chromium causes the oxidation of thioredoxin in human bronchial epithelial cells. Toxicology. 2008 Apr 18;246(2-3):222-33. Epub 2008 Feb 2.

  • Rapid quantification of global DNA methylation by isocratic cation exchange high-performance liquid chromatography. Anal Biochem. 2008 Apr 15;375(2):354-60. Epub 2008 Jan 9.

  • Purification of spent chromium bath by membrane electrolysis. J Hazard Mater. 2008 Apr 15;152(3):960-7. Epub 2007 Aug 6.

  • Evaluation of batch adsorption of chromium ions on natural and crosslinked chitosan membranes. J Hazard Mater. 2008 Apr 15;152(3):1155-63. Epub 2007 Aug 3.

  • Chromate reduction by waste iron from electroplating wastewater using plug flow reactor. J Hazard Mater. 2008 Apr 15;152(3):1092-7. Epub 2007 Jul 31.

  • Anion effects on the electrochemical regeneration of Ce(IV) in nitric acid used for etching chromium. J Hazard Mater. 2008 Apr 15;152(3):922-8. Epub 2007 Jul 27.

 

 

 

 

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