ILLUSTRATIONS 



TEXT FIGURES 



Fig. 1. Apparatus for detecting carbon dioxide formation. 



2. A curve for the graphic determination of t, to test the accuracy of 



the values: K-=0.0053; K=6.36; Ka=0.0223; K^O.1605. 



3. Saponification of methyl salicylate and benzoate with NaOH (above) 



and Na 2 C0 3 . 



4. Conductivity cell. 



5. Conductivity cell. 



31 



