A 



• JOURNAL 



OF 



NATURAL PHILOSOPHY, CHEMISTRY, 



AND 



THE ARTS. 



AUGUST, 1812. 



ARTICLE I. 



On a gaseous Compoiind of carbonic Oxide and Chlorine. By 

 John Davy, Esq. Communicated by Sir Humphrey 

 Davy, Knt. LL. D. Sec. R. S*. 



lj>INCE the influence of electricity and solar light, asche- Oximuriatic 

 mical agents, are analogous in many respects, and as the gas said not to 

 former produces no change in a mixture of carbonic oxide ox i ( j e , 

 and chlorine, it was natural to infer the same respecting the 

 latter. Messrs. Gay-Lussac and Thenard assert, that this 

 is the case ; they say, that they have exposed a mixture of 

 carbonic oxide and chlorine, under all circumstances, to 

 light, without observing any alteration to take placef ; Mr. 

 Murray has made a similar statement^. 



Having been led to repeat this experiment, from some ob* The contrary 

 jections made by the last mentioned gentleman to the theory found by Mr. 

 of my brother, sir Humphry Davy, concerning chlorine, I 

 was surprised at witnessing a different result. 



The mixture exposed, consisted of cbout equal volumes Experiment. 

 of chlorine and carbonic oxide ; the gasses had been previ* 



* Philos. Trans for 1812, p. 144. 



■J- Recherches Phisico-Chimiques, Tom. II, p. 150. 



X Nicholson's Journal, vol. XXX, p. 227. 



Vol. XXXII, No. 149. -August, 1812 S ously 



