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REE Facts | HREE Facts | LREE Facts | Rare Metal Resource
LREE : 57 Lanthanum | 58 Cerium | 59 Praseodymium | 60 Neodymium | 61 Promethium | 62 Samarium | 63 Europium | 64 Gadolinium
HREE : 65 Terbium | 66 Dysprosium | 67 Holmium | 68 Erbium | 69 Thulium | 70 Ytterbium | 71 Lutetium | 39 Yttrium
Rare Earth Metals, REE Facts, ProEdge Media Corp., InvestorIntel
Interesting Facts About How Rare Earth Elements Are Applied
Tracy Weslosky, Editor, InvestorIntel
Source: REE Handbook

Have you ever wondered about what makes one rare earth element (REE) different from another? Or maybe you have wondered about how REEs are used. Below you’ll find one interesting fact on each rare earth element:

1. Scandium (Sc) is more abundant in the Moon than on Earth.

2. Lanthanum (La) carbonate is used to reduce blood levels of phosphate in patients with kidney disease.

3. Cerium (Ce) is widely used in automotive catalytic converters to reduce pollution.

4. The primary use of praseodymium (Pr) is to combine it with neodymium magnets to supply the growing demand for high-tech applications.

5. A thumbnail size, high-strength neodymium (Nd) magnet made with iron (Fe) and boron (B) is so strong that when placed on a refrigerator it cannot be removed by hand.

6. Promethium (Pm) is used as a starter switch in energy-efficient compact fluorescent lamps (CFL).

7. Samarium (Sm) chloride taken internally in the proper quantity will combine with alcohol and keep you from becoming drunk.

8. Europium (Eu) is used in anti-counterfeiting fluorescent phosphors in Euro banknotes.

9. Using gadolinium (Gd) alloy Gd5(Si2Ge2) in magnetic refrigeration has the potential to cut electrical heating and cooling costs by as much as 80%.

10. Terbium (Tb) in an alloy with dysprosium and iron metals known as Terfenol-D can expand and contract in a magnetic field to precisely aim lasers.

11. Dysprosium (Dy) is injected into joints in the body to treat rheumatoid arthritis.

12. Holmium (Ho) is one of the colorants used in cubic zirconia, for use in jewelry, providing the dichroic colors of peach and yellow.

13. In sunglasses, erbium (Er) oxide enhances color perception and improves both contrast and depth perception.

14. Thulium (Tm) lasers are used in open, laparoscopic, and endoscopic medical procedures to cut and cauterize.

15. Ytterbium (Yb) lasers are used to drill into diamonds to remove imperfections.

16. The radioisotope Lutetium (Lu) is used for radiation therapy of small, soft tumors.

17. Yttrium (Y) provides a high temperature corrosion resistance in cutting tools.

For more information visit www.REEHandbook.com – The ultimate guide to Rare Earth Elements.

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Scandium more abundant on Moon
 
Europium fluorescent phosphors
 
Ytterbium lasers remove diamond imperfections
 
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