Thulium

Name:
Thulium
Detailed information:

M Formula:	Tm
Properties:
Metallic luster. D 9.318, mp 1550C, bp 1727C. Reacts slowly with water; soluble in dilute acids. Salts colored green.
Derivation:
Isolated by reduction of the fluoride with calcium.
Grade:
Regular high purity (ingots, lumps).
Hazard:
Fire risk in form of dust.
Use:
Ferrites, X-ray source.See Rare Earth.