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

History of the recommended atomic-weight values*

Samarium

Z	E	Year	A_r(E)	U[A_r(E)]	D[A_r(E)]	D[A_r(E)] U[A_r(E)]
62	Sm	1894	150	0.3	-0.36	-1.2
		1897	150.26	0.03	-0.1	-3.3
		1900	150.3	0.3	-0.06	-0.2
		1903	150	3	-0.36	-0.12
		1905	150.3	0.3	-0.06	-0.2
		1909	150.4	0.3	0.04	0.13
		1925	150.43	0.03	0.07	2.3
		1955	150.3	0.03	-0.06	-2
		1969	150.4	0.1	0.04	0.4
		1979	150.36	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.

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