ELECTROLYTIC PRODUCTION OF IODOFORM. 
ARDEN R. JOHNSON. 
An experiment very commonly assigned to students of elec¬ 
trochemistry is the electrolytic production of iodoform. The 
experiment is an especially good one for the beginner in the 
more difficult field of organic electrosynthesis, as the main re¬ 
action can be quite easily controlled and the product readily 
separated. 
However, as most of the work has been done with acetone in 
place of ethyl alcohol as the ingredient to be oxidized, obviously 
on account of the better commercial possibilities for a process 
using the former substance, the use of alcohol, even in the 
laboratory, has been tried but little. Nevertheless, the use of 
alcohol in place of acetone has some distinct advantages over 
the latter in laboratory work at least. 
The purpose of the experimental work herein described was 
to study the conditions most favorable to a maximum yield of 
iodoform from alcohol with the least consumption of materials 
and electrical energy. The matter of efficiencies particularly 
lias been kept in sight at all times, for it is upon this very point 
that many conflicting data and confusion are found in the 
literature on the subject. 
The apparatus used consisted of a porous cup (1), (Plate 
X), of 120 c. c. capacity, placed in a beaker (2), and this latter 
in a water bath (3). The whole could be heated to any de¬ 
sired temperature by means of the Bunsen burner (4). A, is 
a rotating anode of sheet platinum arranged in the loop of a 
piece of glass tubing bent into the shape of a J at one end. 
One corner of the platinum was sealed into the short leg of the 
