320 Journal of the Asiatic Society of Bengal. [N.S., XV, 1919.] 
Nitrogen chloride is formed which again being unstable 
decomposes into its elements, viz. nitrogen and chlorine 
This explains the production of nitrogen in the anode cham- 
ber. 
FIG.} 
The above affords a new method for the preparation of a 
continuous supply of very pure nitrogen 
It must be noted soe: this method involves the formation 
of nitrogen chloride, hly explosive substance, which 
constitutes a great divaerbaak of the method. 
uthor desires to express his thanks to Professor 
Donnan for his advice and assistance. 
a a ln cn El cn ll ed 
