Description & History
lan·tha·num (1841):
a white soft malleable metallic element that occurs in rare-earth minerals
|
|
Element
| Symbol | La |
| Z | 57 |
| Atomic Weight | 138.919998 |
|---|
| Density | 6.1500001 |
|
Edge Energies
(keV)
| K | 38.9249992 |
|---|
| L1 | 6.2670002 |
|---|
| L2 | 5.89099979 |
|---|
| L3 | 5.4829998 |
|---|
| M | 1.36300004 |
|---|
| K-alpha | 33.4399986 |
|---|
| K-beta | 37.7989998 |
|---|
| L-alpha | 4.65100002 |
|---|
| L-beta | 5.04300022 |
|---|
|
Edge jumps
| K | 6.05220461 |
|---|
| L1 | 1.15952671 |
|---|
| L2 | 1.40999997 |
|---|
| L3 | 2.71700001 |
|---|
|
Fluorescence
yield
| K | 0.907000005 |
|---|
| L1 | 0.0549999997 |
|---|
| L2 | 1.36300004 |
|---|
| L3 | 33.4399986 |
|---|
|
