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Pure Appl. Chem., Vol. 70, No. 1, pp. 237-257, 1998.
History of the recommended atomic-weight values* Nitrogen Z E Year Ar(E) U[Ar(E)] D[Ar(E)] D[Ar(E)] U[Ar(E)] 7 N 1882 14.03 0.1 0.023 0.23 1895 14.05 0.03 0.043 1.4 1896 14.04 0.03 0.033 1.1 1907 14.01 0.03 0.0033 0.11 1919 14.008 0.003 0.0013 0.42 1961 14.0067 0.0003 -0.00004 -0.13 1969 14.0067 0.0001 -0.00004 -0.4 1985 14.00674 0.00007 > 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*
Nitrogen
> 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].
