358 



XIV\ 



a-PiCOLINE : C^H^ {CH3) N. 



ë° 



o-B 



Maximum Pressure H 



in mm. 



mercury of 



0° C. 



in Dynes 



Surface- 

 tension y 

 in Erg 

 pro cm2. 



Specific 

 gravity d^^ 



Molecular 

 Surface- 

 energy fj- 

 in Erg 



1.505 

 1.246 

 1.165 

 1.074 

 0.999 

 0.928 

 0.846 

 0.787 

 0.718 



2007.1 

 1661.5 

 1553.2 

 1432.4 

 1332.5 

 1236.9 

 1128.5 

 1049.3 

 957.7 



47.4 

 39.2 

 36.6 

 33.7 

 31.3 

 29.0 

 26.4 

 24.6 

 22.5 



1.036 

 0.986 

 0.965 

 0.940 

 0.920 

 0.900 

 0.881 

 0.862 

 0.842 



950.8 

 812.7 

 769.7 

 721.2 

 679.6 

 638.9 

 590.0 

 557.8 

 518.2 



Molecular weight: 93.07. 



Radius of the Capillary tube: 0.04803. 

 Depth : 0.1 mm. 



The liquid, which is boiling constantly at 133°.5 C, can be under- 

 cooled as far as — 74° C. ; it solidifies at — 64° C. and melts there 

 very rapidly. Between — 70° and — 21°, the temperature-coefficient 

 is about: 2.83; afterwards the mean value remains about: 2.02 Erg. 



XV. 



