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  Encyclopedia of Keywords > Nature > Chemistry > Chemical Elements > Chromium   Michael Charnine

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  1. Chromium is an essential mineral that is required in the maintenance of our health.
  2. Chromium is a silver-gray, lustrous, brittle, hard metal that can be highly polished. (Web site)
  3. Chromium is a steel-gray, lustrous, hard metal that takes a high polish, is fusible with difficulty, and is resistant to corrosion and tarnishing.
  4. Chromium is used to harden steel, to manufacture stainless steel, and to form many useful alloys. (Web site)
  5. Chromium is a steel-gray, lustrous, hard metal that takes a high polish and has a high melting point.

Chromium Picolinate

  1. The isotopes of chromium range in atomic weight from 43 amu (43-Cr) to 67 amu (67-Cr).
  2. Chromium boride (CrB) is used as a high-temperature electrical conductor.
  3. Chromium Cr From the Greek, "" (chroma), means color, because of many colorful of compounds.
  4. Naturally occurring chromium is composed of 3 stable isotopes; 52-Cr, 53-Cr, and 54-Cr with 52-Cr being the most abundant (83.789% natural abundance).
  5. The primary decay products before 51 V are element 22 ( titanium) isotopes and the primary products after are element 24 ( chromium) isotopes. (Web site)


  1. Chronic exposure to chromium (VI) compounds can cause permanent eye injury, unless properly treated.
  2. World Health Organization recommended maximum allowable concentration in drinking water for chromium (VI) is 0.05 milligrams per liter.
  3. An investigation into hexavalent chromium release into drinking water formed the plot of the motion picture Erin Brockovich.

Chromium Salts

  1. Chromium salts color glass an emerald green.
  2. Chromium salts are used in the tanning of leather.
  3. Chromium is mined as chromite (FeCr 2 O 4) ore. (Web site)
  4. Uvarovite (green) is a Calcium Chromium garnet, and Pyrope (red, and common in peridotites) is a Magnesium Aluminium garnet.

Oxidation States

  1. Chromium compounds of oxidation state 6 are powerful oxidants.
  2. Chromium compounds are used for making pigments and as laboratory reagents. (Web site)
  3. Compressibility at 10-60 TPa= 70X10-3. BRITTLE METAL Chromium forms a number of cmpd in various oxidation states.


  1. In 1798, Vauquelin discovered that he could isolate metallic chromium by heating the oxide in a charcoal oven.
  2. During the 1800s chromium was primarily used as a component of paints and in tanning salts but now metal alloys account for 85% of the use of chromium.
  3. These minerals are rich in chromium (Cr) or titanium (Ti), elements which impart bright colors to the minerals.
  4. Recent advances in the nutritional biochemistry of trivalent chromium.
  5. Chromium is notable for its ability to form quintuple covalent bond s.


  1. Chromium trioxide, CrO 3, the acid anhydride of chromic acid, is sold industrially as "chromic acid".
  2. As dyes and paints  : Chromium(III) oxide is a metal polish known as green rouge. (Web site)
  3. Siberian red lead (crocoite, PrCrO4) is a chromium ore prized as a red pigment for oil paints. (Web site)

Common Oxidation

  1. The most common oxidation states of chromium are +2, +3, and +6, with +3 being the most stable.
  2. Chromium exhibits a wide range of possible oxidation states.
  3. The chromium atoms are in oxidation state +6 in both, and the chromate and dichromate ions are fairly strong oxidizing agents. (Web site)


  1. Chromium deficiencies can affect the potency of insulin in regulating sugar balance.
  2. Chromium deficiency is a major factor in the development of heart disease (heart attacks, hardening of the arteries).


  1. Trivalent chromium is an essential trace metal and is required for the proper metabolism of sugar in humans.
  2. Chromium helps the body regulate metabolism, and regulate insulin and blood sugar levels.
  3. Chromium is stored principally in the kidneys, spleen and testes, with trace amounts found in the heart, lungs, pancreas and brain.
  4. Currently the average American diet does not contain sufficient amounts of chromium because of the depletion of vital minerals in our soil.
  5. GTF Chromium is an important mineral that has received little recognition to date. (Web site)


  1. The average American diet is chromium deficient.
  2. Chromium deficient diseases are aggravated by vanadium deficiency.
  3. Refined sugar causes the body to deplete chromium more rapidly.

Stainless Steel

  1. Stainless steel contains from 11% to 18% chromium. (Web site)
  2. Chromium in biological samples from low-level exposed stainless steel and mild steel welders.

Corrosion Resistance

  1. Molybdenum in the presence of chromium enhances the corrosion resistance of stainless steel.
  2. Martensitic stainless steels are plain chromium steels with no significant nickel content.
  3. The metals used most commonly as alloying elements in stainless steel include chromium, nickel, and molybdenum.


  1. In medicine, as a dietary supplement or slimming aid, usually as chromium (III) chloride or chromium(III) picolinate.
  2. AVDI: The mean daily dietary intake of chromium from air, water, and food has been estimated to be 0.3, 4.0, and 280 ug, respectively.

Resists Corrosion

  1. Chromium strongly resists corrosion and is used extensively to plate other metals and as an alloy to harden steel. (Web site)
  2. In larger quantities, 8.00% and upwards, nickel is the constituent, together with chromium, of many corrosion resistant and stainless austenitic steels. (Web site)


  1. Chrome green is the green oxide of chromium, Cr 2 O 3, used in enamel painting, and glass staining.
  2. Chromium trioxide is used in chrome plating and as a colorant for ceramics. (Web site)
  3. Chromium (III) sulfate (Cr2(SO4)3) is used as a green pigment in paints, in ceramic, varnishes and ink s as well as in chrome plating.


  1. Chromium is steel-gray, lustrous, hard, metallic, and takes a high polish. (Web site)
  2. When deposited electrolytically, chromium provides a hard, corrosion-resistant, lustrous finish.
  3. It is hard to imagine that doctor Sosonkin would fail to know that nickel and chromium, on one hand, and steel, on the other, are totally different things. (Web site)


  1. This mine is a kimberlite pipe rich in diamonds, and the reducing environment so provided helped produce both elemental chromium and diamond.
  2. He was also able to detect traces of chromium in precious gems, such as ruby, or emerald.
  3. Therefore, the functional basis for the chromium requirement in the diet remains unexplained.
  4. Chromium currently remains the only element for which quintuple bonds have been observed.


  1. He was able to produce chromium oxide with a chemical formula of CrO 3, by mixing crocoite with hydrochloric acid. (Web site)
  2. At room temperature, chromium slowly dissolves in hydrochloric and dilute sulfuric acids. (Web site)

Health Hazards

  1. Chromium metal and chromium(III) compounds are not usually considered health hazards, but chromium (VI) compounds can be toxic if orally ingested.
  2. Precautions Chromium metal and chromium(III) compounds are not usually considered health hazards; chromium is an essential trace mineral.


  1. Though native chromium deposits are rare, some native chromium metal has been discovered.
  2. It does though suffer from nitrogen embrittelment and hence no straight chromium alloy has ever been developed.


  1. Chromium(IV) oxide (CrO 2) is used to manufacture magnetic tape, where its higher coercivity than iron oxide tapes gives better performance. (Web site)
  2. Chromium enhances insulin performance and glucose utilization and helps carry proteins.

Alloy Steels

  1. Its most important use is in the steel industry, where it is a constituent of several alloy steels, e.g., chromium steel or chrome steel. (Web site)
  2. Alloy steels contain varying amounts of carbon as well as other metals, such as chromium, vanadium, molybdenum, nickel, tungsten, etc.

Before Taking

  1. Pregnant or breastfeeding women are advised to consult a physician before taking chromium supplements.
  2. Persons who are taking antacids are advised to talk with a physician before taking chromium supplements.


  1. Chromium is obtained commercially by heating the ore in the presence of aluminium or silicon.
  2. The presence of chromium impurities in gems is often responsible for their brilliant colors.


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  Originally created: May 07, 2008.
  Links checked: June 05, 2013.
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