Apr. 17. 1916 



Stearic Acid in Butter Fat 



III 



Table VI. — Amount of stearic acid in the insoluble acids of butter fat — Continued 



a Molecular weight of the several precipitates, 284.54- 



!> Average. 



c Molecular weight of the several precipitates, 284.59- 



Table VII. — Amount of stearic acid in the insoluble acids of beef tallow 



Sample No. 



Solution A. 

 Do... 



Solution B. 

 Do.... 



Solution A: 

 I 



I 



Solution B: 



Insoluble 



acids of 



beef tallow 



taken. 



Gm,. 



o. 5280 

 •5155 



5025 

 5150 



Alcohol- 

 stearic-acid 

 solution 

 (grams in 

 150 c. c). 



O. 3990 

 •3990 



.3960 

 .3960 



3990 

 3990 



3960 

 3960 



Additional 



stearic acid 



taken. 



Gm. 

 O. 1500 



•1555 



1520 

 1550 



Precipi- 

 tate. 



Gm. 



o. 3870 

 •3930 



3690 

 3700 



3975 

 3960 



3740 



3775 



Blank. 



Gm. 



O. 2370 



•2375 

 "• 2373 



. 2170 



.2150 



«. 2160 



2373 

 2373 



. 2160 

 . 2160 



Satura- 

 tion 

 (grams in 

 100 c. c). 



O. 1080 

 • 1077 



"93 

 1207 



Stearic 

 acid. 



Per cent. 



30-34 

 30-79 



" 30- 57 



31-44 

 a 31. 40 



» Average. 



