New York AGRICULTURAL EXPERIMENT STATION. 345, 
DETERMINATION OF KEROSENE IN THE KEROSENE- | 
LIME MIXTURE. 

K. L. BAKER. 
When lime, kerosene and water are mixed in certain propor- 
tions, it has been shown that an emulsion is formed, and that 
the whole mixture, after agitation ceases, separates into three 
layers. Because of this separation there may be unequal distri- 
bution of the ingredients of the mixture in spraying, and for 
this reason it was thought a matter of interest to determine both 
the quantity of kerosene present in each of these layers, and the 
relative proportion of kerosene held in emulsion when different 
limes are used. e 
Four different mixtures were examined. These were prepared 
according to the 10 per ct. formula previously given, using the 
following limes: (I) Superfine Marblehead lime, (II) grade 
Limoid, (III) superfine Limoid, (IV) grade Marblehead lime. 
After thorough agitation, a one-gallon sample was immediately 
taken from each of the mixtures and put into large glass jars. 
The contents of these jars were thoroughly stirred and then 
poured into separatory funnels. In ten to fifteen minutes three 
distinct layers formed. These were separated by drawing off 
each successively into flasks which were then tightly corked to 
prevent evaporation. \ 
METHOD OF DETERMINATION. 
A quantity of the lime-kerosene mixture is weighed into a 
flask, which is connected to a condenser, and steam is passed into 
it. The kerosene all distils over and forms a separate layer above 
the water which passes over with it. The distillate is allowed 
to drop into a burette, from which the lower layer of water is 
drawn away from time to time. After the distillation is complete, 
the amount of kerosene may be read in cubic centimeters. This 
reading multiplied by the specific gravity of the kerosene, which 
