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


History of the recommended atomic-weight values*

Iodine

Z
E
Year
Ar(E)
U[Ar(E)]
D[Ar(E)]
D[Ar(E)]

U[Ar(E)]
53 I 1882 126.85 0.1 -0.054 -0.54
1905 126.97 0.03 0.066 2.2
1909 126.92 0.03 0.016 0.52
1925 126.932 0.003 0.028 9.2
1933 126.92 0.03 0.016 0.52
1951 126.87 0.03 -0.034 -1.1
1961 126.9044 0.0003 -0.00007 -0.23
1969 126.9045 0.0001 0.00003 0.3
1985 126.90447 0.00003

> 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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