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Pure Appl. Chem., Vol. 70, No. 1, pp. 237-257, 1998.


History of the recommended atomic-weight values*


Yttrium

Z
E
Year
Ar(E)
U[Ar(E)]
D[Ar(E)]
D[Ar(E)]
U[Ar(E)]
39 Y 1882 90.02 0.1 1.1 11
1894 89.1 0.3 0.19 0.65
1896 88.95 0.03 0.044 1.5
1897 89.02 0.03 0.11 3.8
1900 89 0.3 0.094 0.31
1916 88.7 0.3 -0.21 -0.69
1919 89.33 0.03 0.42 14
1925 88.9 0.3 -0.0058 -0.02
1928 88.92 0.03 0.014 0.47
1961 88.905 0.003 -0.00085 -0.28
1969 88.9059 0.0001 0.00005 0.5
1985 88.90585 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
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