Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Chromium> ?p ?o }
- Chromium abstract "Chromium is a chemical element with symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point. The name of the element is derived from the Greek word χρῶμα, chrōma, meaning color, because many of its compounds are intensely colored.Chromium oxide was used by the Chinese in the Qin dynasty over 2,000 years ago to coat metal weapons found with the Terracotta Army. Chromium was discovered as an element after it came to the attention of the Western world in the red crystalline mineral crocoite (lead(II) chromate), discovered in 1761 and initially used as a pigment. Louis Nicolas Vauquelin first isolated chromium metal from this mineral in 1797. Since Vauquelin's first production of metallic chromium, small amounts of native (free) chromium metal have been discovered in rare minerals, but these are not used commercially. Instead, nearly all chromium is commercially extracted from the single commercially viable ore chromite, which is iron chromium oxide (FeCr2O4). Chromite is also now the chief source of chromium for chromium pigments.Chromium metal and ferrochromium alloy are commercially produced from chromite by silicothermic or aluminothermic reactions, or by roasting and leaching processes. Chromium metal has proven of high value due to its high corrosion resistance and hardness. A major development was the discovery that steel could be made highly resistant to corrosion and discoloration by adding metallic chromium to form stainless steel. This application, along with chrome plating (electroplating with chromium) currently comprise 85% of the commercial use for the element, with applications for chromium compounds forming the remainder.Trivalent chromium (Cr(III)) ion is possibly required in trace amounts for sugar and lipid metabolism, although the issue remains in debate. In larger amounts and in different forms, chromium can be toxic and carcinogenic. The most prominent example of toxic chromium is hexavalent chromium (Cr(VI)). Abandoned chromium production sites often require environmental cleanup.".
- Chromium wikiPageExternalLink ele024.html.
- Chromium wikiPageExternalLink chromium.html.
- Chromium wikiPageExternalLink chromium.
- Chromium wikiPageExternalLink chromium.
- Chromium wikiPageExternalLink ch005b.html.
- Chromium wikiPageExternalLink 024.htm.
- Chromium wikiPageID "5669".
- Chromium wikiPageLength "62974".
- Chromium wikiPageOutDegree "313".
- Chromium wikiPageRevisionID "679668420".
- Chromium wikiPageWikiLink Abundance_of_elements_in_Earths_crust.
- Chromium wikiPageWikiLink Aerospace.
- Chromium wikiPageWikiLink Allergic_reaction.
- Chromium wikiPageWikiLink Allergy.
- Chromium wikiPageWikiLink Alum.
- Chromium wikiPageWikiLink Aluminium.
- Chromium wikiPageWikiLink Aluminothermic_reaction.
- Chromium wikiPageWikiLink Amphoterism.
- Chromium wikiPageWikiLink Ancient_Greek.
- Chromium wikiPageWikiLink Anhydride.
- Chromium wikiPageWikiLink Anisotropy.
- Chromium wikiPageWikiLink Anodizing.
- Chromium wikiPageWikiLink Antiferromagnetic.
- Chromium wikiPageWikiLink Antiferromagnetism.
- Chromium wikiPageWikiLink Atomic_mass.
- Chromium wikiPageWikiLink Atomic_mass_unit.
- Chromium wikiPageWikiLink Atomic_number.
- Chromium wikiPageWikiLink Automobile.
- Chromium wikiPageWikiLink Baltimore.
- Chromium wikiPageWikiLink Beryozovskoye_deposit.
- Chromium wikiPageWikiLink Beta_decay.
- Chromium wikiPageWikiLink Bis(benzene)chromium.
- Chromium wikiPageWikiLink Blast_furnace.
- Chromium wikiPageWikiLink Brick.
- Chromium wikiPageWikiLink Bronze.
- Chromium wikiPageWikiLink Brownfield_land.
- Chromium wikiPageWikiLink Bursa.
- Chromium wikiPageWikiLink Cadmium_pigments.
- Chromium wikiPageWikiLink Cadmium_yellow.
- Chromium wikiPageWikiLink Calcium_carbonate.
- Chromium wikiPageWikiLink Car.
- Chromium wikiPageWikiLink Carcinogen.
- Chromium wikiPageWikiLink Carcinogenic.
- Chromium wikiPageWikiLink Carcinogenity.
- Chromium wikiPageWikiLink Casting_(metalworking).
- Chromium wikiPageWikiLink Catalysis.
- Chromium wikiPageWikiLink Catalyst.
- Chromium wikiPageWikiLink Category:Biology_and_pharmacology_of_chemical_elements.
- Chromium wikiPageWikiLink Category:Chemical_elements.
- Chromium wikiPageWikiLink Category:Chromium.
- Chromium wikiPageWikiLink Category:Dietary_minerals.
- Chromium wikiPageWikiLink Category:Occupational_safety_and_health.
- Chromium wikiPageWikiLink Chemical_element.
- Chromium wikiPageWikiLink Chemical_industry.
- Chromium wikiPageWikiLink China.
- Chromium wikiPageWikiLink Chromate.
- Chromium wikiPageWikiLink Chromate_and_dichromate.
- Chromium wikiPageWikiLink Chromate_conversion_coating.
- Chromium wikiPageWikiLink Chromated_copper_arsenate.
- Chromium wikiPageWikiLink Chrome_alum.
- Chromium wikiPageWikiLink Chrome_plating.
- Chromium wikiPageWikiLink Chrome_yellow.
- Chromium wikiPageWikiLink Chromic_acid.
- Chromium wikiPageWikiLink Chromite.
- Chromium wikiPageWikiLink Chromium(II)_acetate.
- Chromium wikiPageWikiLink Chromium(II)_chloride.
- Chromium wikiPageWikiLink Chromium(III)_chloride.
- Chromium wikiPageWikiLink Chromium(III)_hydroxide.
- Chromium wikiPageWikiLink Chromium(III)_nicotinate.
- Chromium wikiPageWikiLink Chromium(III)_oxide.
- Chromium wikiPageWikiLink Chromium(III)_picolinate.
- Chromium wikiPageWikiLink Chromium(III)_sulfate.
- Chromium wikiPageWikiLink Chromium(IV)_oxide.
- Chromium wikiPageWikiLink Chromium(VI)_oxide.
- Chromium wikiPageWikiLink Chromium(VI)_oxide_peroxide.
- Chromium wikiPageWikiLink Chromium(VI)_peroxide.
- Chromium wikiPageWikiLink Chromium_deficiency.
- Chromium wikiPageWikiLink Chromium_hexacarbonyl.
- Chromium wikiPageWikiLink Chromium_hexafluoride.
- Chromium wikiPageWikiLink Chromium_picolinate.
- Chromium wikiPageWikiLink Chromium_polynicotinate.
- Chromium wikiPageWikiLink Chromium_trioxide.
- Chromium wikiPageWikiLink Chromous_acetate.
- Chromium wikiPageWikiLink Chromyl_chloride.
- Chromium wikiPageWikiLink Coercivity.
- Chromium wikiPageWikiLink Collagen.
- Chromium wikiPageWikiLink Color.
- Chromium wikiPageWikiLink Compact_Cassette.
- Chromium wikiPageWikiLink Compact_audio_cassette.
- Chromium wikiPageWikiLink Contact_dermatitis.
- Chromium wikiPageWikiLink Coordination_sphere.
- Chromium wikiPageWikiLink Copper_chromite.
- Chromium wikiPageWikiLink Corrosion.
- Chromium wikiPageWikiLink Corundum.
- Chromium wikiPageWikiLink Crocoite.
- Chromium wikiPageWikiLink Crossbow.
- Chromium wikiPageWikiLink Cultivar.
- Chromium wikiPageWikiLink Cyclopentadienyl.
- Chromium wikiPageWikiLink DNA.