Tungsten

Tungsten, or wolfram, is a transition metal and has the highest melting point of all the elements discovered. Tungsten is rarely found on Earth and its color varies from white to grey. Its hardness and density makes it resistant to attacks by oxygen, acids and alkalis. Tungsten is mainly used in the production of hard materials based on tungsten carbide. Tungsten alloys have numerous applications, including incandescent light bulb filaments, electrodes in TIG welding, superalloys and radiation shielding. Tungsten compounds are also used as precursor in the production of catalysts.

Tungstic Acid

W

  • Family W (Tungsten)
  • CAS registry number 7783-03-1
  • Formula H2W04

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Tungsten Carbides

W

  • Family W (Tungsten)
  • CAS registry number 12070-12-1
  • Formula WC, W2C

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Sodium Tungstate

W

  • Family W (Tungsten)
  • CAS registry number 10213-10-2
  • Formula Na2WO4.2H2O

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Tungsten Trioxide

W

  • Family W (Tungsten)
  • CAS registry number 1314-35-8
  • Formula WO3

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Ammonium Metatungstate

W

  • Family W (Tungsten)
  • CAS registry number 12028-48-7
  • Formula H4N.1/6H2O40W12

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Silicotungstic Acid

W

  • Family W (Tungsten)
  • CAS registry number 12027-43-9
  • Formula H4(W12SiO40) xH2O

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Phosphotungstic Acid

W

  • Family W (Tungsten)
  • CAS registry number 12501-23-4
  • Formula H3PW12O40 xH2O

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