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

History of the recommended atomic-weight values*

Lutetium

Z	E	Year	A_r(E)	U[A_r(E)]	D[A_r(E)]	D[A_r(E)] U[A_r(E)]
71	Lu	1909	174	0.3	-0.97	-3.2
		1916	175	0.3	0.033	0.11
		1940	174.99	0.03	0.023	0.77
		1961	174.97	0.03	0.003	0.1
		1969	174.97	0.01	0.003	0.3
		1977	174.967	0.003	0	0
		1981	174.967	0.001

> 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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