Aluminium, Silicium, &e. 109 
Pe ae ee ae 
of potassium, of burning ammonia, of disengaging chlorine from hy- 
_ drochloric acid, and of forming water with hydrogen. This simple pro- 
n this process possesses the properties named above, and it has the 
characteristic odor which is known as the Lobster odor. M. Houzeau 
assistant to M. Boussingault, is the author of this process which he dis- 
covered during a series of researches’ on the preparation of oxygen 
from the peroxyd of barium by heat. 
fusion and in order to submit it to the action of the pile, M. my in- 
troduces it into a tubulated retort of platinum which is then submitted 
to the heat of a good forge fire. A platinum wire communicates the cur- 
rents from the positive pole and enters the fused fluorid ; the negative pole 
action was entirely from above downward since no portion of the up- 
: per part of the compressed metal in this case suffered. 
mgt 
