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Thulium Symbol Tm Atomic Number 69 Atomic Mass 168.9342 Family Lanthanide (Rare Earth Metal) Pronunciation THU-lee-um Overview Thulium was given its name in honor of the earliest name for Scandanavia, Thule. The element was discovered and named by...

Thulium is a rare earth element denoted by the atomic symbol Tm. It's atomic number is 69, and its atomic weight is 168.9342. Its melting point is 2,813°F (1,545°C) and its boiling point, 3,537°F (1,947°C). It is the rarest of all the...

Thulium is a rare earth element, one of the elements found in row 6 of the periodic table. It has an atomic number of 69, an atomic mass of 168.9342, and a chemical symbol of Tm. Thulium is a silvery metal so soft it can be cut with a knife. It is...

Thulium (pronounced /ˈθjuːliəm/) is a chemical element that has the symbol Tm and atomic number 69. A lanthanide element, thulium is the least abundant of the rare earths. It is an easily workable metal with a bright silvery-gray luster and can be...

Objectives: The carbon dioxide (CO2) laser is the premier dissecting instrument for hemostatic cutting and ablation during endolaryngeal surgery. However, microlaryngeal tangential dissection and office-based photoablation have been limited by the lack of a fiber-based delivery system. To address this limitation, a new laser...

Objectives: The 2-µm-wavelength thulium laser has recently been shown to be an effective cutting instrument in endolaryngeal surgery, although there is increased thermal trauma as compared with the carbon dioxide laser. This study investigated temperature changes and thermal trauma during thulium laser dissection of...