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

History of the recommended atomic-weight values*

Scandium

Z	E	Year	A_r(E)	U[A_r(E)]	D[A_r(E)]	D[A_r(E)] U[A_r(E)]
21	Sc	1882	44.08	0.1	-0.88	-8.8
		1894	44	0.3	-0.96	-3.2
		1897	44.12	0.03	-0.84	-28
		1900	44.1	0.3	-0.86	-2.9
		1921	45.1	0.03	0.14	4.8
		1951	44.96	0.03	0.0041	0.14
		1961	44.956	0.003	0.00009	0.03
		1969	44.9559	0.0001	-0.00001	-0.1
		1983	44.95591	0.00001	0	0
		1985	44.95591	0.000009	0	0
		1995	44.95591	0.000008

> 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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