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Special formed

Ytterbium  
Formula: Yb
Alias / Keywords: Ytterbium Rod, Ytterbium Metal Rod, Yb Rod, Yb Metal Rod, Ytterbium Tube, Ytterbium Metal Tube, Yb Tube, Yb Metal Tube, Ytterbium Circle, Ytterbium Metal Circle, Yb Circle, Yb Metal Circle, Ytterbium Plate, Ytterbium Metal Plate, Yb Plate, Yb Metal Plate, Ytterbium Disc, Ytterbium Metal Disc, Yb Disc, Yb Metal Disc, Ytterbium Sheet, Ytterbium Metal Sheet, Yb Sheet, Yb Metal Sheet, Ytterbium Foil, Ytterbium Metal Foil, Yb Foil, Yb Metal Foil, Ytterbium Wire, Ytterbium Metal Wire, Yb Wire, Yb Metal Wire, Ytterbium Bar, Ytterbium Metal Bar, Yb Bar, Yb Metal Bar, Ytterbium Powder, Ytterbium Metal Powder, Yb Powder, Yb Metal Powder, Ytterbium Block, Ytterbium Metal Block, Yb Block, Yb Metal Block, Ytterbium Cubit, Ytterbium Metal Cubit, Yb Cubit, Yb Metal Cubit, Ytterbium Crucible, Ytterbium Metal Crucible, Yb Crucible, Yb Metal Crucible
Item no.: 931070
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Ytterbium Metal, is being applied in improving the grain refinement, strength, and other mechanical properties of stainless steel and alloys. Ytterbium has a bright silvery lustre, is soft, malleable, and quite ductile. While the element is fairly stable, it should be kept in closed containers to protect it from air and moisture.


[Bohr Model of Ytterbium]
Atomic Volume: 24.80 W/D
Boiling Point: 1196°C
Compressibility: 7.39x10-6cm2/kg
Crystal Structure: Cubic, face centered
Density: 6.97 g/cm3
Electrical Resistivity (298°K):25.1 μΩ-cm
Electronegativity: 1.1Pauling's
First Ionization Energy: 143K-cal/g-mole
Heat of Fusion: 1.8 k-cal/g-atom
Heat of Vaporization: 38K-cal/g-atom
Magnetic Moment: 0.41Bohr magnetons
Magnetic Susceptibility: 71x10-6emu/mole
Melting Point: 819°C
Specific Heat (25°C): 0.035 cal/g°C
Standard Electrode Pontential: +2.1volts
Tensile Strength: 10,400psi
Thermal Neutron Cross Section: 36barns/atom
Trasformation Temperature: 792°C
Yield Strength: 9,500psi
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Applications

Ytterbium is sometimes associated with Yttrium or other related elements and is used in certain steels. Its metal could be used to help improve the grain refinement, strength, and other mechanical properties of stainless steel. Some Ytterbium alloys have been used in dentistry. One Ytterbium isotope has been used as a radiation source substitute for a portable X-ray machine when electricity was not available. Like other rare-earth elements, it can be used to dope phosphors, or for ceramic capacitors and other electronic devices, and it can even act as an industrial catalyst.

Ytterbium in the environment

Ytterbium is found with other rare earth elements in several rare minerals as gadolinite, monazite, and xenotime . Natural Ytterbium is a mix of seven stable isotopes. It is most often recovered commercially from monazite sand (~0.03% Ytterbium). The main mining areas are China, US, Brazil, India, Sri Lanka, and Australia and reserves of Ytterbium are estimated to be around a million tonnes. World production of Ytterbium is around 50 tonnes per year.

Health effects of Ytterbium

Ytterbium has no biological role, but it has been noted that its salts stimulate metabolism. Ytterbium is a skin and eye irritant and it is also a suspected teratogen. All compounds should be stored in closed containers, protected from air and moisture and treated as highly toxic.


Effects of Ytterbium on the environment

Metallic Ytterbium dust poses a fire and explosion hazard. Ytterbium poses no threat to plants and animals and its salts are being introduced into the chemical industry as catalysts in place of ones that are regarded as toxic and polluting.

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