PHYSICAL anv LITERARY. 303 
will ar no alteration) with oil of vitriol, in 
— Glauber’s manner, and obtained a ftrong 
: frioking fpirit, which anfwers all the cha- 
raters of Glauber’s {pirit of nitre, and dif- 
folves the fame bodies; and therefore may 
run thro’ the famé courfe, over and over, 
without any change, unlefs that it may be 
gradually wafted, fome part of it being dif= 
fipated in every operation. 
I found the fame thing hold in other acid 
liquors, as fpirit of fea falt, fpirit of vinegar, 
the acid of tartar, dc. which I joined to al- 
caline falts, and recovered the acid by diftil- 
lation. Thefe and fome other experiments 
of the like nature, which I have not yet had 
leifure to confider in their full extent, I fhall 
take another opportunity to lay before the fo- 
ciety. In the mean time I fhall proceed to 
make fome 
Remarks on Precipitation. 
By precipitation is meant the parting or 
 feparating the fmall particles of a diffolved 
ha from the folvent liquor by means of a 
third body folid or fluid, which is therefore 
called the precipitant, 
THERE 
