1183 



of this arrangement it was now possible (o determine the boiling- 

 point of the liquid phosphorus under different pressures, and it is 

 in this way that we have supplied the deficiencies which had conti- 

 nued to exist when the static method was applied. The phenomenon 

 of inclosure of liquid phosphorus b}' solid red also often occurred 

 by this way of procedure with the result that when the wall of the 

 red phosphorus broke, a violent boiling of the liberated liquid took 

 place, in which often part of the contents were flung outside from 

 the vessel c. 



However satisfactory this dynamic method was in the application, 

 the velocity of conversion of the white phosphorus becomes ' so 

 great above 360^ tiiat 366.4° is the highest temperature at which 

 reliable measurements could still be made. 



The result of the statical and the dynamical investigation is combined 

 in the following table II, the results of Jolibois' statical investigation 

 being given in table III. 



TABLE II. 



Proceedings Royal Acad. Amsterdam. Vol. XVI. 



77 



