The Students' Guide in Quantitative Analysis - Free Ebooks Library
The Students' Guide in Quantitative Analysis - Free Ebooks Library
The Students' Guide in Quantitative Analysis - Free Ebooks Library
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lOO<br />
B. -Sp.gr,<br />
OUANT[TATIVF. ANALYSIS,<br />
^<br />
Sp. gr. = ^__vv"4-w<br />
of a Body lighter than Water and soUibl© <strong>in</strong> it<br />
Weight of body <strong>in</strong> air = w<br />
„ « " " naphtha = w'<br />
w— w' = w"<br />
Sp. gr. of naphtha = A<br />
" " " water = I<br />
A :<br />
w"=<br />
I : w"'<br />
w<br />
Sp. gr. = w ///<br />
ji. _ Determ<strong>in</strong>ation of the Proportion of two Metala <strong>in</strong> an<br />
Alloy.<br />
Sp. gr. of the alloy<br />
Weight of the alloy<br />
= S<br />
= A<br />
Sp. gr. of one of the metals = s'<br />
Sp. gr. of the second metal = s"<br />
Weight of one nietal — w'<br />
Weight of the second metal = w"<br />
w" = A—w<br />
For proofs of this formula, see Galloivays First Step <strong>in</strong><br />
Clitmistrj/f p. 74,<br />
O. — Sp. gr. of a liquid by the flask.<br />
Weight of aask = F<br />
" " and water = w<br />
" " " liquid = w'
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