Online Encyclopedia

Search over 40,000 articles from the original, classic Encyclopedia Britannica, 11th Edition.

atomic weight 44.1 SCANDIUM [symbol S...

Online Encyclopedia
Originally appearing in Volume V24, Page 298 of the 1911 Encyclopedia Britannica.
Spread the word: del.icio.us del.icio.us it!

atomic See also:

weight 44.1 See also:SCANDIUM [See also:symbol Sc (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 See also:scandium from See also: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 . 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 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 (Phil . Trans . 1908, 209, A. p . 15); those of the fatty acids are in most cases more soluble in See also:cold than in hot See also:water .

End of Article: atomic weight 44.1 SCANDIUM [symbol Sc (0=16)]
[back]
SCANDINAVIAN LANGUAGES
[next]
SCANTLING

Additional information and Comments

There are no comments yet for this article.
» Add information or comments to this article.
Please link directly to this article:
Highlight the code below, right click and select "copy." Paste it into a website, email, or other HTML document.