TUM-1

Thulium is used as an activator of some phosphors and laser materials, used in the synthesis of artificial garnets.

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Rare earth metals and their alloys	Thulium

Chemical composition

Standard	Fe, %	Tm, %	Si, %	Mg, %	Ca, %	РЗЭ, %	Al, %	C, %	O, %	Cl, %	W, %	Ta, %
Standard	Fe, %	Tm, %	Si, %	Mg, %	Ca, %	РЗЭ, %	Al, %	C, %	O, %	Cl, %	W, %	Ta, %
	0.01–0.15	98.47–99.9445	0.005–0.01	0.005–0.01	0.005–0.05	< 1	0.005–0.01	0.005–0.03	0.015–0.15	0.005–0.02	< 0.05	0.0005–0.05

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
20	9320

Casting and technological parameters

melting point, °C
melting point, °C
1545

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Tm	%	Thulium
Si	%	Silicon
Mg	%	Magnesium
Ca	%	Calcium
РЗЭ	%	Rare earth elements
Al	%	Aluminium
C	%	Carbon
O	%	Oxygen
Cl	%	Chlorine
W	%	Tungsten
Ta	%	Tantalum

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\rho$	$\frac{kg}{m^3}$	The density of the material

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
melting point	°C	The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa