150 ^* ■'"* N1TUK« OF OXIMURIATIC ACID. 



hidrogen, copious dense fumes were produced with a depo- 

 sition of sulphur on the sides of the jar, and on the surface 



1 oxim. tcid, o^ the water rendering it turbid. When these proportions 



2 «ulph. hi- were reversed, there was also the production of a dense 

 *'°^ * vapour and a deposit of sulphur ; but the water, which was 



at first rendered turbid, soon became transparent as it rose 



in the vessel, the film of sulphur disappeared, and the en- 



Oxim. acid gas tire gas nearly was condensed. When oximuriatic acid gas 



TcceWed in ^^s allowed to escape from a retort into sulphuretted 

 tulph. hidr. . . ... j i 



hidrogen gas m ajar, a very dense vapour was produced as 



each bubble of gas broke from the surface of the water, 



.Rulphur was collected on the surface, and the water was 



Sulph. hidr. -^^.tljte turbid. Wheji the experiment was reversed, the oxi- 



reccnved in xnuriatic acid gas being in the iar, and the sulphuretted hi- 

 oxim. acid gas. , ,, i . . , • • i i 



drogen allowed to escape into it, a whitish vapour was also 



..produced as each bubble of gas broke, but much less dense 



^^d less in quantity, and there was scarcely any deposition 



,^f sulphur; obviously owing to this, that the sulphuretted 



^-.^idrpgen from its inferior specific gravity rapidly diffused 



ritself through the nciass of oximuriatic acid gas, which thus 



' ficting upon it in large quantity pjEigenated both the hidrogen 



• and the sulphur, while in theother mode the reverse of this 



happened*. , .. 



Experiments Xo exclude- the lageno^^pf water^ me nqcaspre of sulphu- 



Tasses repeat- J'^ttedhidrogen was admitted into an exhausted tube, and 



cd in different afterward three me.ai5ure6 pf oximuriatic add gas. A whit- 



torms, ,^^^ Vapour immediately spread through the tube, but it was 



not very dense, nor was there any: 4epc^siJUon .ofi^qlpbur ; 



Singular phe- * A 8'j%U1ar' app^rance pr«sented itself in thes^ fxperimente. 



nomenon. As e^ch bubblis of oximtwfckticacid gas broke in the sulphuretted hidro- 



•' g^, there w*s an > explosion with a vivid fla',h, cf light, though no 



.. evident combustion attends th^ direct loixturc of the two gasses, ard 



there was no simiLt appearance when the ?iilnhurettt:d hidrogen broke 



"|n successive bubbles In ihe oximurinic acid gas. The difference may be 



^'tJWlng prircipaliy tolhe mfluence of th<- sp'^cjfi'^ grawity of thegassea as 



above explained, the oximuriatic acid, when introduced into the sul- 



phuretteJ hidrofc en, from its greater density not diffwi^iog iiself, and 



j Iherefore acting in a more concentrated state ; partly alio perhaps to a 



slisht change produced on oxtmariatic add by transmission through 



fratcr. " , 



' ' '-* and 



