COMPOSITION OF SULPHURIC ETHER. 325 



The immediate products of the decomposition of U03 V'"'"^'^'.^*^ P'*^ 

 ^ '■ ducts of the 



grains of ether then are, ether. 



Gr=i. 

 Oxicarburetted hidrogen gas - _ - 948 

 Charcoal _-_-.- 5-25 



Oil, in part volatile - _ _ - 46 



Water 3 



1002-23 



Loss owing to the oily smoke carried off , 



by the gas ... - - 100-75 



1103. 



On analysing the gas in all the receivers by Volta's eudi- The gas ana- 

 ometer, and taking a mean of the several analyses, I found, ^^^ 

 that 100 parts by measure of this oxicarburetted hidrogen 

 gas consumed for theii- combustion 145 parts of oxigen gas, 

 forming with them water, and 88 parts of carbonic acid gas. 



As to nitrogen gas, I found no more after the combus- 

 tion, than I had added with the oxigen gas which produced 

 it. Indeed most of my eudiometrical analyses indicated, 

 that the nitrogen gas introduced previous to the combustion 

 had undergone a small dimiuiitron in consequence of the de- 

 tonation *. The drop of water found in the worm adapted 

 to the incandescent tube exhibited signs of ammoniacal va- 

 pour on the approach of muriatic acid ; but this test is often 

 illusory; and besides, as it is impossible for me to affirm, 

 that my ether contained no alcohol, the existence of nitro- 

 gen in ether must remain undecided. 



On applying the calculation adopted in § V for the ana- Its composition 

 lysis of the oxicarburetted hidrogen gas of alcohol to the 



* This condensaf Ion of nitrogen, according to the experiments Nitrogen con- 

 of Humboldt and Gay Tussac, does not take place in the detona-deiised in some 



tion of pure hidrogen eas with atmospheric air. In our operations circumstances, 



, ^ ot r_^ _ r not m others, 



the circumstances differ, because the liiarogen is more condensed 

 in the oxicarburetted hidrogen gas of ether, than it is in pure hi-: 

 d-rogen gas. This diminution of nitrogen did not appear in the 

 combustion of the inflammable gas of alcohol, either because this 

 already contained nitrogen, or because the hidrogen is less con- 

 densed in the oxicarburetted hidrogen of alcohol than in the oxi- 

 carburetted- hidrogen gas of ether, and even than in pure hidrogen 



results 



