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

History of the recommended atomic-weight values*

Iron

Z	E	Year	A_r(E)	U[A_r(E)]	D[A_r(E)]	D[A_r(E)] U[A_r(E)]
26	Fe	1882	56.04	0.1	0.2	2
		1894	56	3	0.16	0.052
		1896	56.02	0.03	0.18	5.8
		1900	56	0.3	0.16	0.52
		1901	55.9	0.3	0.055	0.18
		1909	55.85	0.03	0.005	0.17
		1912	55.84	0.03	-0.005	-0.17
		1940	55.85	0.03	0.005	0.17
		1961	55.847	0.003	0.002	0.67
		1969	55.847	0.003	0.002	0.67
		1993	55.845	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.

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