176 Kansas Academy of Science. 



Therefore, determinations must be made at not above room 

 temperature and soon after bringing the samples into solution. 

 To illustrate : 10 cc. of the above mixture of salicylic acid and 

 acetyl salicylic acid showed, after standing forty-eight hours, 

 11.53 mg. of salicylic acid, or an increase of 1.542 mg. during 

 that length of time. 



Six atoms of bromine correspond to one molecule of sali- 

 cylic acid, or 1 cc. of the N/10 bromine consumed is equivalent 

 to 0.002283 gm. of salicylic acid. 



University of Kansas, Lawrence. 



