Cerium (Ce)
MATERIAL OVERVIEW
Cerium
was discovered in 1803 by Klaproth and by Berzelius
and Hisinger and was named after the asteroid Ceres.
The actual metal was not prepared until 1875 by Hillebrand and Norton.
Cerium is the most abundant of the rare earth metals. Cerium is steel gray
in color. Cerium is attacked by
dilute and concentrated mineral acids and by alkalies.
Cerium is the second most
reactive rare-earth metal, europium being the most
reactive. It readily oxidizes in moist air at room
temperature. Small particles will ignite easily. It
has four allotropic forms. Cerium forms alloys with
other lanthanides, it also forms a nonmetal with
hydrogen, as well as carbides and intermetallic
compounds. Cerium decomposes in water. It is
generally considered nontoxic.
Reference: Los Alamos National Laboratory, <http://periodic.lanl.gov/elements/58.html>
While most references describe cerium as malleable we have found it difficult to work. It work hardens quickly and is prone to cracking. It oxidizes rapidly in air and turnings can ignite easily. We can supply cerium in the form of machined rods, sheet, foil.
In additional our many cast forms of Cerium, we also specializes in producing high purity Cerium powder with a particle size of -40 mesh. The powder is produced by mechanical grinding and sized using fisher sieves. The Cerium powder is packaged either in ampoules under dry argon or sealed in air tight cans under dry argon. We package the powder to order, so no order is too small.
GENERAL
PROPERTIES
|
Symbol: |
Ce |
|
Atomic
Number: |
58 |
|
Atomic
Weight: |
140.12 |
|
Density: |
6.657
gm/cc |
| Estimated Crustal Abundance: | 6.5x101 miligrams per Kg |
| Estimated Oceanic Abundance: | 1.2x10-7 miligrams per liter |
|
Melting
Point: |
799
oC |
|
Boiling
Point: |
3426
oC |
|
Thermal
Conductivity: |
0.113/cm/oK
@ 298.2 oK |
|
Electrical
Resistivity: |
75.0
microhm-cm @ 25 oC |
|
Electronegativity: |
1.1
Paulings |
|
Specific
Heat: |
0.049
Cal/g/oK
@ 25 oC |
|
Heat
of Vaporization: |
95
K-cal/gm atom at 3426 oC |
|
Heat
of Fusion: |
2.12
Cal/gm mole |
|
Thermal
Neutron Cross Section: |
0.7
Barns per Atom |
|
Magnetic
Susceptibility: |
700
x 10-6
Emu
Room Temp |
|
Magnetic
Moment: |
2.4
Bohr Magnetons |
|
Temperature
Coefficient of Resistance:
|
.7
x 10-5
@
0 oC
to Room Temp
|
TYPICAL ANALYSIS
|
Material
/ Purity: |
3N
|
|
La |
<500 |
|
Nd
|
<500 |
|
Al |
<100 |
|
Ca |
<100 |
|
Y |
<100 |
|
Fe |
<100 |
|
Mg |
<100 |
|
Si |
<100 |
|
Ni |
<100 |
|
Pr |
<500 |
CERIUM ROD
|
Material |
Purity |
|
Cerium
Rod .125” |
3N |
|
Cerium
Rod .250” |
3N |
|
Cerium
Rod .500” |
3N |
|
Cerium
Rod .625” |
3N |
|
Cerium
Rod .750” |
3N |
|
Cerium
Rod 1” |
3N |
Additional
diameters can be manufactured in 7-10 days.
Rod is cut to order and sold by the inch.
CERIUM FOIL
|
Material
|
Purity |
|
Cerium
Foil .001” |
3N |
|
Cerium
Foil .002” |
3N |
|
Cerium
Foil .003” |
3N |
|
Cerium
Foil .004” |
3N |
|
Cerium
Foil .005” |
3N |
|
Cerium
Foil .006” |
3N |
|
Cerium
Foil .007” |
3N |
|
Cerium
Foil .008” |
3N |
|
Cerium
Foil .009” |
3N |
Foil is
cut to order and sold by the square inch or square foot.
CERIUM SHEET
|
Material |
Purity |
|
Cerium
Sheet .010” to 0.5” |
3N |
Sheet
thicknesses are available in increments of .001”.
Sheet is cut to order and sold by the square inch.
CERIUM SPUTTERING
TARGETS
|
Material |
Purity |
|
Cerium
Sputtering Target 2"D X .125"T |
3N |
|
Cerium
Sputtering Target 2"D X .250"T |
3N |
|
Cerium
Sputtering Target 3"D X .125"T |
3N |
|
Cerium
Sputtering Target 3"D X .250"T |
3N |
|
Cerium
Sputtering Target 4"D X .125"T |
3N |
|
Cerium
Sputtering Target 4"D X .250"T |
3N |
Additional
sizes and sputtering targets produced from compounds are available
upon request.
CERIUM POWDER, SHOT,
PELLETS, & INGOT
Powder,
shot, pellets, and ingots are packaged to order and sold by the gram or
kilogram.
CERIUM COMPOUNDS
|
Material |
Purity |
|
Cerium
Boride CeB6
-325 Mesh 3N |
2N5 |
|
Cerium
Bromide CeBr3
-xH2O
-60 Mesh 3N |
2N5 |
|
Cerium
Bromide CeBr3
-60 Mesh 3N |
2N5 |
|
Cerium
Carbide CeC2
1/4" Pieces by Down 2N5 |
2N |
|
Cerium
Chloride CeCl3
-xH2O
-60 Mesh 3N |
2N5 |
|
Cerium
Chloride CeCl3
-60 Mesh 3N |
3N |
|
Cerium
Fluoride CeF3
1/4" to 1/8" Pieces |
3N |
|
Cerium
Fluoride CeF3
-60 Mesh |
3N |
|
Cerium
Fluoride CeF3
-325 Mesh |
3N |
|
Cerium
Oxide CeO2
-325 Mesh |
3N
5N |
|
Cerium
Oxide CeO2Tablets
|
3N |
|
Cerium
Oxide CeO21/4"-1/8"
Pieces |
3N |
|
Cerium
Oxide CeO2
-150 +325 Mesh |
2N5 |
|
Cerium
Oxide CeO2
-325 Mesh +10 Microns |
2N5 |
|
Cerium
Oxide CeO2
-100
Mesh |
3N |
|
Cerium
Oxysulfide Ce2O2S
-200 Mesh |
3N |
|
Cerium
Silicide CeSi2
1/4" Pieces by Down |
3N |
|
Cerium
Stannate CeO2+SnO2
-325 Mesh |
3N |
|
Cerium
Sulfide CeS 1/8" Pieces by Down |
3N |
|
Cerium
Sulfide CeS -325 Mesh |
3N |
|
Cerium
Sulfide Ce2S3
-325 Mesh |
3N |
|
Cerium
Titanate CeO2+TiO2
-325 Mesh |
3N |
|
Cerium
Tungstate Ce2(WO4)3
-200 Mesh |
3N |
|
Cerium
Vanadate CeVO4
-200 Mesh |
3N |
|
Cerium
Zirconate CeO2+ZrO2
-325 Mesh |
2N5 |
Compounds are packaged to order and sold by the gram or kilogram.
|
Material
Safety Data Sheet - MSDS |