94: Spontaneous Crystallization of Supercooled Liquids. 



Table III. 



Para-toluidine. 122 tubes, sufficiently small to attain 

 temperature of the bath very rapidly. 



Melted at 50° in each case. 

 t = time in minutes ; n — number of crystallizations. 



the 



1. 28° '87. 



21-°1S. 



3. 19°-12. 



17' 



t.- 





n 







t. 



n. 



t. 



ii. 





t. 



n. 



1 





36 





1 



63 



1- 



67 





1 



76 



4 





46 





3 



65 



4 



75 





3 



79 



8 





50 





5 



67 



8 



79 





12 



86 



20 





62 





14 



79 



16 



86 





27 



95 



32 





68 





25 



82 



32 



92 





53 



98 



46 





70 





37 



85 



66 



96 





95 



100 



54 





71 





72 



88 



82 



99 





285 



104 



345 





84 





100 



92 



150 



100 





1000 



114 



1320 





96 





530 



101 



180 

 300 



101 

 103 









5. * 



7°-82. 





6- 31° 25. 



7- 



83° -86. 





8. After 



healing 





















to 



100°. 



t. 

 l 





n. 

 35 





t. 

 1 



n. 

 19 



t. 

 1 



ii. 

 11 





24° -8. 



3 





38 





3 



24 



5 



15 





t. 





12 





45 





14 



31 



27 



• 21 





1 



15 



20 



30 





53 





70 



48 



115 



27 





5 



50 





60 





120 



51 



215 



34 





16 



26 

 37 

 62 



84 



80 





65 





210 



53 



345 



37 





3o 



115 





68 





370 



56 



1380 



41 





210 



395 





75 





1345 



62 









1020 



1350 





80 















1365 

 2490 



87 

 93 











Tabl 



eIV. 















Ortho-nitropher 



ol. 130 tubes. 







Tabes 



once heated to 70°, contents al 



lowed to solidify 



ai 



id then re 



-melted 









at 50° in 



each case. 













t = time 



in minutes ; ri = 



number 



of crystalliz 



ations. 





1. S8°-7& 





2. 



84° -25. 



3. i 



">G°'07. 



4. 33 



3 -5 t 



?. 1 5- 



31°-1. 



t. 



n. 





t. 



n. 



t. 



n. 



t. 



11 



t. 



n. 



1 



21 





1 



60 



l 



27 



1 



5£ 



l 



57 



3 



24 





3 



69 



3 



28 



3 



64 



4 



66 



15 



33 





15 



91 



15 



35 



10 



72 



17 



79 



30 



39 





45 



99 



48 



50 



22 



82 



47 



101 



45 



42 





90 



106 



168 



72 



45 



94 



90 



107 



75 



46 









270 



80 



70 ^ 



01 



285 



112 



115 



49 









375 



89 



130 108 







240 



58 









1420 



105 



310 1 



L12 







315 



60 





















630 



67 

















1 





1350 



70 



















1 





Numbers of tubes crystallizing within 1 minute at various temperatures : — 

 26°-2, 126; 28°'9, 113; 31°-6, 80; 34°-25, 86; 35°-95, 67; 37°-7, 62: 

 39°-85, 40 ; 42°-0, ; 40°-0, 19; 37°*9 ; 48 ; 35°-8, 54 ; 34°-0, 62 ; 32°-6, 63: 

 29°'5, 66; 26°-0, 119. 



