Thulium is a chemical element with symbol Tm and atomic number 69.

Contents

Uses

  •  Radioactive isotope Tm is produced by bombarding thulium in a nuclear reactor. It has a half-life of 128 days and is used as a portable source of x-rays.
  • Thulium is used to dope yttrium aluminum garnets (YAG) used in lasers.
  • Thulium is also used in alloys with other rare earth metals.
  • Thulium is used in euro banknotes for its blue fluorescence under UV light to defeat counterfeiters.

Benefits

  • N/A

Cautions

  • Thulium is considered to be non-toxic.

Interactions

n/a

Other names

69TM

References

Source: Chemicool, http://www.chemicool.com/elements/thulium.html

Wikipedia, https://en.wikipedia.org/wiki/Thulium

 

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