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


History of the recommended atomic-weight values*

Gallium

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

U[Ar(E)]
31 Ga 1882 68.96 0.1 -0.76 -7.6
1894 69 0.3 -0.72 -2.4
1897 69.91 0.03 0.19 6.2
1900 70 0.3 0.28 0.92
1909 69.9 0.3 0.18 0.59
1919 70.1 0.3 0.38 1.3
1923 69.72 0.03 -0.003 -0.1
1969 69.72 0.01 -0.003 -0.3
1983 69.723 0.004 0 0
1987 69.723 0.001

> 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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