Analysis of the Braunau Meteorite. 341 
slight blackish-brown residue. This latter had poured into it, 
fore the presence of copper. 
0 
17 gramme of the substance was oxydized with nitric acid, 
very considerably diluted and then added, drop by drop, to a 
ling ammoniacal fluid in excess. The hydrous ro iron 
inate of ammonia. The precipitate when collected, washed 
and heated as before, weighed 0-285 gramme, the very amount 
obtained in the former experiment. 
Mass when cold was treated with boiling water, the liquor thus 
Pected, and there is further to be added thereto a smal! quantity of a solution of 
the ferrocyanuret of tassium. Immediately there is, of course, no re 
be observed ; but gradually, as the ammonia evaporates from the open vessel, a 
reddish tint may. be ended in the fluid, and subsequently there will be observed 
4 deposition of the cyanuret of copper and iron upon the sides of the vessel. F. 
