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Tellurium Metal (Te)-Pellets

  • 13494-80-9
  • Te
  • 5200GN
  • 99.99%
  • 4 mm approx.
  • 236-813-4
  • Class 6.1
  • UN3288
  • PGIII
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Characteristic


Tellurium is a chemical element with the symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid.


Phase at STP:solid

Appearance:silvery lustrous gray (crystalline),

                       brown-black powder (amorphous)

Melting point:722.66 K (449.51 °C, 841.12 °F)

Boiling point:1261 K (988 °C, 1810 °F)

Density (near r.t.):6.24 g/cm3

when liquid (at m.p.):5.70 g/cm3

Heat of fusion:17.49 kJ/mol

Heat of vaporization:114.1 kJ/mol

Molar heat capacity:25.73 J/(mol·K)


Application


Commercially, the primary use of tellurium is copper (tellurium copper) and steel alloys, where it improves machinability. Applications in CdTe solar panels and cadmium telluride semiconductors also consume a considerable portion of tellurium production. Tellurium is considered a technology-critical element.



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