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SCANDIUM [symbol Sc, atomic weight 44...

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Originally appearing in Volume V24, Page 298 of the 1911 Encyclopedia Britannica.

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SCANDIUM [symbol Sc, atomic weight 44.1 (0=16)]

SCANDIUM [See also:
SYMBOL (Gr. o-uµ(3oXov, a sign)
symbol Sc, atomic See also:
WEIGHT
weight 44.1 (0=16)] , one of the rare See also:

earth metals. It was isolated in 1879 by L. F, Nilson and was shown by Cleve to be identical with the ekaboron predicted by D. Mendeleeff. The separation of scandium from See also:

WOLFRAMITE, or WOLFRAM

wolframite (which contains 0.14-o.16% of rare earths) is given by R. J. See also:

Meyer (Zeit, anorg. Chem. 1908, 6o, p. 134), but it seems impossible to obtain a perfectly pure specimen of the See also:

OXIDE

oxide. The salts of scandium are all colourless, the chloride and bromide corresponding in See also:

composition to Sc2X5'12H20; the fluoride is anhydrous. The sulphate combines with the alkaline sulphates to See also:

FORM (Lat. forma)

form See also:

double salts of the type Sc2(SO4)s'3K2SO4.

A large number of salts, both of in-organic and organic acids, have been described by See also:

Sir W. See also:

CROOKES, SIR WILLIAM (1832– )

Crookes (Phil. Trans. 1908, 209, A. p. 15); those of the fatty acids are in most cases more soluble in See also:

COLD (in O. Eng. cald and ceald, a word coming ultimately from a root cognate with the Lat. gelu, gelidus, and common in the Teutonic languages, which usually have two distinct forms for the substantive and the adjective, cf. Ger. Kolte, kalt, Dutch koude

cold than in hot See also:

WATER

water.

End of Article: SCANDIUM [symbol Sc, atomic weight 44.1 (0=16)]

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