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


History of the recommended atomic-weight values*

Chromium

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

U[Ar(E)]
24 Cr 1882 52.13 0.1 0.14 1.3
1894 52.1 0.3 0.1 0.35
1896 52.14 0.03 0.14 4.8
1900 52.1 0.3 0.1 0.35
1910 52 0.3 0.0039 0.013
1925 52.01 0.03 0.014 0.46
1961 51.996 0.001 -0.0001 -0.1
1967 51.996 0.003 -0.0001 -0.033
1969 51.996 0.001 -0.0001 -0.1
1983 51.9961 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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