278 



EXPLOSIVE COMPOUND- 



Effects of sub- Substances brought into contact 



stances 

 brought into 

 contact with 

 the explosive 

 coiupouud. 



with the compound. 



Do. become solid by keeping. 

 Native sulphuret of antim. 

 Red sulphuret of mercury. 



Phosphorus 



Pbosphuret of lime 

 Phosphorus dissolved in li- 

 quid sulphuretted hyd.. . 



Charcoal 



Jet 



Cannel coal 



Residuum of the distillation 



of amber 



Asphaltum 



Elastic bitumen .. T. ',, 

 Elastic gum, or caoutchouc. . 

 Resinous matter found in 



HighgateHill 



Common resin 



Shell Lac 



Copal 



Sandarach 



Mastich .. .. .. .. 



Euphorbium 



Guiacum 



Assafcetida . . , . . . 

 Opium 



Burgundy pitch 



Balsam of Tolu , . . . 



Resin of ox bile 



Myrrh 



Scammony 



Frankincense 



Ammoniacum .. .. ,. 

 Hepatic aloes 



Alcoholic solution of resin • . 

 Do. of resin of lac . , 



Effects observed. 



Union, but no explosiou . 



None. 



None. 



Explosion extremely violent. 



Violent explosion. 



Do. 



None. 



None. 



Adhesion, slight efferves- 

 cence. * 



Effervescence, film on the 

 surface of the water. 



Union, rapid effervescence, 

 ascent to the surface of the 

 water, film left there. 



Union. 



Violent explosion. 



None. 



Effervescence. 



None. 



Union, effervescence, ascent 



to the surface of the water, 



film left there. 

 Adhesion. 



Same as with copal. 

 Do. do. 



Do. do. 



Do. do. 



Slight effervescence, film on 



the water. 

 Un ion, effervescence . 

 Do. do. rapid, film 



on the water. 

 Slight effervescence. 

 Explosion. 

 None. 

 Do. 

 Do. 

 Do. 



Rapid effervescence. 

 Do. 



Cam* 



