|
News
& Notices
Organizations & People
Standing
Committees
Divisions
Projects
Reports
..By Year
..By Division
..Other Committees
..Provisionals
Publications
Symposia
AMP
Links
of Interest
Search
the Site
Home
Page
|
|
Pure Appl. Chem.,
Vol. 70, No. 1, pp. 237-257, 1998.
History of the recommended atomic-weight values*
Caesium, cesium
|
Z
|
E
|
Year
|
Ar(E)
|
U[Ar(E)]
|
D[Ar(E)]
|
D[Ar(E)]
U[Ar(E)]
|
| 55 |
Cs |
1882 |
132.92 |
0.1 |
0.015 |
0.15 |
|
|
1894 |
132.9 |
0.3 |
-0.0054 |
-0.018 |
|
|
1896 |
132.89 |
0.03 |
-0.015 |
-0.52 |
|
|
1900 |
132.9 |
0.3 |
-0.0054 |
-0.018 |
|
|
1903 |
133 |
0.3 |
0.095 |
0.32 |
|
|
1904 |
132.9 |
0.3 |
-0.0054 |
-0.018 |
|
|
1909 |
132.81 |
0.03 |
-0.095 |
-3.2 |
|
|
1934 |
132.91 |
0.03 |
0.0046 |
0.15 |
|
|
1961 |
132.905 |
0.003 |
-0.00045 |
-0.15 |
|
|
1969 |
132.9055 |
0.0001 |
0.00005 |
0.5 |
|
|
1971 |
132.9054 |
0.0001 |
-0.00005 |
-0.5 |
|
|
1985 |
132.90543 |
0.00005 |
-0.00002 |
-0.4 |
|
|
1995 |
132.90545 |
0.00002 |
|
|
> Return to list
or table of elements
Ref. History of the recommended
atomic-weight values from 1882 to 1997: a comparison of differences
from current values to the estimated uncertainties of earlier values,
Pure Appl. Chem., Vol. 70, No. 1, pp. 237-257, 1998.
Page last modified 7 June 2000
Copyright © 1997-2000 International Union of Pure and Applied Chemistry.
|
