REE's at Bokan:Supplement to the September 25/08 Press Release
|
|
Element
|
Symbol
|
Atomic
Number
|
Bokan
Range %1
|
Price2
(US $/kg)
|
Typical Uses
|
|
Light REE’s
|
Lanthanum
|
La
|
57
|
0-0.5
|
6-30
|
Optical glass, cast iron, petroleum refining catalyst, alloys
|
|
Cerium
|
Ce
|
58
|
0-0.2
|
4-40
|
Glass polishing, steel, autocatalysts, self-cleaning ovens
|
|
Praesodymium
|
Pr
|
59
|
<0.025
|
50-60
|
Glass, magnets
|
|
Neodymium
|
Nd
|
60
|
0-0.1
|
32-50
|
Magnets (including computers and voice coils), lasers, catalysts
|
|
Promethium
|
Pm
|
61
|
-
|
|
Synthetic element
|
|
Samarium
|
Sm
|
62
|
0-0.04
|
4-250
|
Magnets, lighting, lasers, biofuel catalysts
|
|
Heavy REE’s
|
Europium
|
Eu
|
63
|
<0.01
|
430-1800
|
Phosphor, nuclear energy controls
|
|
Gadolinium
|
Gd
|
64
|
0-0.2
|
10-400
|
Microwaves, phosphors, superconductors, medical MRI’s
|
|
Terbium
|
Tb
|
65
|
0-0.06
|
700-1800
|
Phosphors, fuel cells
|
|
Dysprosium
|
Dy
|
66
|
0-0.6
|
100-150
|
Lasers, chalcogenides
|
|
Holmium
|
Ho
|
67
|
0-0.2
|
650-2000
|
Nuclear control rods, lasers, colorants
|
|
Erbium
|
Er
|
68
|
0-0.6
|
20-500
|
Alloys, glass pigments
|
|
Thulium
|
Tm
|
69
|
0-0.1
|
790-2500
|
Ceramic magnets
|
|
Ytterbium
|
Yb
|
70
|
0-0.5
|
130-400
|
X-rays, lasers
|
|
Lutetium
|
Lu
|
71
|
0-0.06
|
2000-3500
|
Petroleum cracking catalysts
|
|
Yttrium
|
Y
|
39
|
0-5
|
10-50
|
Phosphors, lasers, ethylene production, ceramics, alloys
|
