(467 ) 

 II. Dimeihylic ethereal salt of diacetijltartaric acid. 



Final ineKing poiut. 

 104°3 



Mol. percent of raceniio componutl 

 in the mixture. 





 20 

 40 

 60 

 70 

 80 

 90 

 100 



99.8 

 95.8 

 90.3 

 87.4 

 84.6 

 83.4 

 83.8 



It' we represent the mimbers grapliiciiUy, we get the followino- 

 figures. 



90° 



80° 

 70° 

 60° 

 50° 



/ 



105° 

 J 00° 

 05° 

 90° 

 85° 

 80° 



100°/„ 80 CO 40 20 

 Mol. °/o raocaic compound. 



100°/o 80 60 40 20 

 Mol. °/o racemic compound. 



In their general form they correspond entirely with the right 

 halves of fig. 3 and 4, page 312. In lig. I we remark however 

 that the melting line fur the racemic compound extends very consi-, 



32* 



