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Pure Appl. Chem., Vol. 70, No. 1, pp. 237-257, 1998.
History of the recommended atomic-weight values* Platinum Z E Year Ar(E) U[Ar(E)] D[Ar(E)] D[Ar(E)] U[Ar(E)] 78 Pt 1882 194.87 0.1 -0.21 -2.1 1894 195 3 -0.078 -0.026 1896 194.89 0.03 -0.19 -6.3 1900 194.9 0.3 -0.18 -0.59 1903 194.8 0.3 -0.28 -0.93 1909 195.0 0.3 -0.078 -0.26 1911 195.2 0.3 0.12 0.41 1925 195.23 0.03 0.15 5.1 1955 195.03 0.03 -0.048 -1.6 1969 195.09 0.03 0.012 0.4 1979 195.08 0.03 0.002 0.067 1995 195.078 0.002 > 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 Copyright © 1997-2000 International Union of Pure and Applied Chemistry. Questions or comments about IUPAC, please contact the Secretariat. Questions regarding the website, please contact [email protected].
History of the recommended atomic-weight values*
Platinum
> 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.
> 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 Copyright © 1997-2000 International Union of Pure and Applied Chemistry.
Questions or comments about IUPAC, please contact the Secretariat. Questions regarding the website, please contact [email protected].