27*2 ®^ "^"^ CtMPOSITION OF ALCOHOL. 



by the incineration of the charcoal, we find, that 100 parts of 

 alcohol produced. 



Sum of these. Carbon 4>3 65 



Oxigen 30-12 



Hidrogen 13-89- 



Nitrogen 3-52 



Ashes 0-04 



S>1 22 

 Loss 8-7S 



100. 



Deficiency to I noticed at the commencement of this analysis, that this 

 be supplied. Jqss was owing to fumes that contained a great deal of water, 

 and an infinitely small quantity of oil, carried into the pneu- 

 matic trough by the oxicarburetted hidrogen gas. If for this 

 los^ we substitute 8*78 parts of water, we shall find, that 100 

 parts of alcohol contain. 



Keal propot^ Carbon 43 '^5 



<i""^°^^^« Oxigen 37-85 



dements. . ^ 



Hidrogen • • • • • • 14'f)4 



Nitrogen 3*52 



Ashes 004 



100- 



Kesults ap»ee "^^^ results of tiiis analysis are nearly similar to those I ob- 

 iwith those iii tained by the detonation of the elastic vapour of alcohol in a 

 ^* * Volta's eudiometer, section III, setting aside the nitrogen, 



which I could not calculate in that process, and which re- 

 mained confounded with the water in the state of ammonia, if 

 not almost wholly with the 4r36 parts of oxigen, which that 

 analysis ascribed to the alcohol. If from these 41*36 parts of 

 oxigen we substract the 3-52 of nitrogen we have just found, 

 the two analyses will agree better than could have been ex- 

 pected from such a complex process. 

 Alcohol recti- ^ analysed by means of a re.d hot tube spirit of wine recti- 

 fied atone gave ficd by simple distillation, and found no difference of impor- 

 eimilar results. ^^^^^ 



