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


History of the recommended atomic-weight values*

Magnesium

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

U[Ar(E)]
12 Mg 1882 24.01 0.1 -0.3 -3
1894 24.3 0.3 -0.005 -0.017
1896 24.29 0.03 -0.015 -0.5
1897 24.28 0.03 -0.025 -0.83
1900 24.3 0.3 -0.005 -0.017
1903 24.36 0.03 0.055 1.8
1909 24.32 0.03 0.015 0.5
1961 24.312 0.003 0.007 2.3
1967 24.305 0.003 0 0
1969 24.305 0.001 0 0
1985 24.305 0.0006

> 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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