Vol. Ill, No. 5.] Reactions at Low Temperatures: Z'^'i 



In Europe Avliere liquid carbon dioxide can be had afc l^, per lb. and 

 liquid air can be prepared at not an exorbitant cost, reactions at 

 low temperatures might even be of importance in chemical tech- 

 nology, as an instance of which may be mentioned the possibility 

 of the preparation of azo dyes corresponding to fatty amines which 

 has been suggested above. 





