High Purity Dysprosium Metal (Dy)
Characteristic
Dysprosium is a lustrous, very soft, silvery metal. It is stable in air at room temperature even if it is slowly oxydized by oxygen. It reacts with cold water and rapidly dissolves in acids. It forms several brightly coloured salts. Dysprosium’s characteristics can be strongly affected by the presence of impurities.
| Appearance: | Distilled Lump |
| Melting point: | 1680 K (1407 °C, 2565 °F) |
| Boiling point: | 2840 K (2562 °C, 4653 °F) |
| Density (near r.t.): | 8.540 g/cm3 |
| When liquid (at m.p.) | 8.37 g/cm3 |
| Heat of fusion: | 11.06 kJ/mol |
| Heat of vaporization: | 280 kJ/mol |
| Molar heat capacity: | 27.7 J/(mol·K) |
Chemical Composition
|
Rare Earth Impurity(≤) |
Dy/RE |
≥99.9% |
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|
Item |
La/RE |
Ce/RE |
Pr/RE |
Nd/RE |
Sm/RE |
Eu/RE |
Gd/RE |
|
Content(μm/g) |
11.70 |
10.60 |
11.20 |
2.40 |
5.10 |
2.10 |
14.50 |
|
Item |
Tb/RE |
Ho/RE |
Er/RE |
Tm/RE |
Yb/RE |
Lu/RE |
Y/RE |
|
Content(μm/g) |
26.70 |
9.10 |
8.20 |
1.90 |
5.70 |
7.90 |
9.70 |
|
Non-Rare Earth Impurity(≤) |
RE |
≥99.5% |
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|
Item |
Al |
Fe |
Ca |
Si |
Mg |
C |
Ni |
|
Content(μm/g) |
64.78 |
52.36 |
283.76 |
7.27 |
0.92 |
71.65 |
2.17 |
Application
Dysprosium is used in nuclear reactors as a cermet, a composite material made of ceramic and sintered metal, to make laser materials, nuclear reactor control rods, as sources of infrared radiation for studying chemical reactions. Another use in the field of radioactivity is in dosimeters for monitoring exposure to ionizing radiation. Dysprosium, together with vanadium and other elements, is used to make laser materials. Dysprosium is used to dope calcium fluoride and calcium sulfate crystals for dosimeters. Terbium- and dysprosium-containing alloys show strong magnetostriction and are used in materials testing. In neodymium-iron-boron magnets, it increases coercivity and extends the usable temperature range. Dysprosium improves the emission spectrum of high performance halogen lamps.
Package
Vacuum pumping and argon protection, 500g or 1000g / bottle.
