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Thallium Thallium

One of the products obtained from processing lead and copper dust.

Product Name:

Thallium

Production Site

Lead Plant, Ust-Kamenogorsk Metallurgical Complex

Process Flowsheet

Thallium extraction and re-extraction, deposition and decomposition of Tl chromate, cementation and melting of thallium briquettes when Cu and Pb Plant dusts are treated.

Production output per year:

6 tpa

Application

  • optical glass
  • prisms
  • microscopes
  • Thallium hydroxide is added to glass to enhance its refraction.
  • low-temperature thermometers for far north
  • Thallium amalgam hardens only at above 60 degrees Celsius, and is used for making thermometers.

Tl (min)

99.98%

Fe (max)

0.001%

Cd (max)

0.003%

Cu (max)

0.003%

Pb (max)

0.01%

Zn (max)

0.003%

Total impurities

0.020%

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