197 



Plotting the above results, the volume distilled as abscissa and the 



N 

 number of c.c. of alkali used to neutralize the distillate, we obtain the 



10 



following graphical representation of the R. M. process of distillation. 





C C. ; 



/V<?<?// 



/9 e/.c £j.a 



The total number of c.c. required to neutralize the volatile acid was 

 29.5 c.c. corresponding to 5.19 per cent, of acid calculated as butyric acid. 



