| Formula |
Tb4O7
Formula Weight 747.7
Chem. Abs. #1273-76-0 |
| Physical
Properties |
Melting
Point =2,400' C
Crystal Density 7.7 g/cm3
Fluorite-related structure |
| Packaging |
55
lb and 55 Kg in a sealed bag inside a 5 gallon plastic pail
2 lb & 10 lb packages - for small shipments |
| Shipping
Point |
| Mountain
Pass, CA |
| Product
Composition |
Terbium
Oxide
| Loss
on Ignition @ 1,000' C 2% max |
| Tb4O7 |
99.9
|
%min
|
| La2O |
10
|
ppm
max
|
| Ce02 |
30
|
ppm
max
|
| Pr6O11 |
20
|
ppm
max
|
| Nd2O3 |
30
|
ppm
max
|
| Sm2O3 |
50
|
ppm
max
|
| Eu2O3 |
10
|
ppm
max
|
| Gd2O3 |
100
|
ppm
max
|
| Dy2O3 |
200
|
ppm
max
|
| Ho2O3 |
50
|
ppm
max
|
| Er2O3 |
50
|
ppm
max
|
| Tm2O3 |
50
|
ppm
max
|
| Yb2O3 |
150
|
ppm
max
|
| Lu2O3 |
50
|
ppm
max
|
| Y2O3 |
50
|
ppm
max
|
|
Fe2O3
|
25
|
ppm
max
|
| CaO |
50
|
ppm
max
|
|
|
|
| Particle
Size (FAPS) |
2
microns max |
| Screened |
-
100 mesh |
|
At
high temperatures the composition of this oxide
will depend on the oxygen partial pressure;
Tb4O7 can be reduced to Tb2O3. This will be
reflected in any measured LOI
|
|
|
