Condensation of Several Gases into Liquids. 335 
= or ‘more powerful explosions.» ‘Tubes which have 
held fluid carbonic acid well for two or three:weeks: togeth- 
er, have upon | some increase in the warmth of the weather, 
spontar ‘exploded with great violence ; “and the’ pre- 
pst glass masks, eat cep &ce. which are at all times 
ces. in pursuing these images fa pt conn riy'so 
with satlonié ecia: e <7 latly , 
* Carbonic acid is a limpid, rautdber leis body pox a 
fluid, and floating upon the other contents of the tube.’ It 
distils readily and rapidly at the difference of temperature 
between 32° and 0°. Its ‘refractive power ‘is’ much! less 
than that of water. No disnutition of temperature’ to>which 
I have been able to submit it, has altered its’ appearance. 
In endeavouring to open the tubes at one end; they! have 
uniformly burst into fragments with powerfulve i. 
“Its vapour exerted a a pedscedtotth irty six’at res, 
at a pint = eee of 32° fie dent te ,2tetitieg £8 Bet) 
rine. Fluid inh iintatin was obtained by inclo- 
sing anlersie of potash and sulphuric acid in a oho tm 
leaving them to act on each other for twenty four 
In that time there had been much action, the mixture’ ries 
lofa dark reddish brown, and the atmosphere of a beeps yet 
ow colour. ‘The mixture’ was then heated | on = 100° 
and the unoccupied end of the tube eooled to 023) ey de 
grees the mixture lost its dark colour, von ‘very fluid ethe- 
real looking substance condensed.” “I ‘was’ not miscible 
f aohiel be 
it; but when returned on to the mass of salt and acid, it'was 
gradually absorbed, Fendering t “ = of! a a ar 
er colour even than itself.” 
 Euchlorine thus obtained is’ - every “Acid wansparent 
substance, = a deep y ‘colour. A tube containing’a 
portion 6f it in the clean end, was ‘opened at the ‘opposite 
Grain. ; there was a dente re gre arts: _ ty 
t ‘up the apertare ; whilst cleari : 
pred ee ss ‘oid a violent biel se Seri rw 
wine end ia in tr Reet where theeuchlorine’ pr 
v bial , but the’ fluid had ee, 
Ni Hay, ‘Oxide: —Some nitrate 0 (eiatone, igen 
étid. “the Bile? being preserved ect. 4 By repeating the diss 
