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Pure Appl. Chem., Vol. 70, No. 1, pp. 237-257, 1998.
History of the recommended atomic-weight values* Osmium Z E Year Ar(E) U[Ar(E)] D[Ar(E)] D[Ar(E)] U[Ar(E)] 76 Os 1882 198.95 0.1 8.7 87 1894 190.8 0.3 0.57 1.9 1896 190.99 0.03 0.76 25 1900 191 0.3 0.77 2.6 1909 190.9 0.3 0.67 2.2 1925 190.8 0.3 0.57 1.9 1934 191.5 0.3 1.2 4.2 1938 190.2 0.3 -0.03 -0.1 1969 190.2 0.1 -0.03 -0.3 1991 190.23 0.03 > 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*
Osmium
> 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].
