b?-5 



Specific Surface-Energy 

 in Erg. pro cm^. 



^30 



?.20 

 2W 

 20Ü 

 790 

 /SO 



/ro 



/€0 

 /JO 



f40 



i30 

 ■/20 



■/to 



90 



70 



^50' Ptv^'9J(r/wo^/l^r,cy/<v•rf.1<;y2oo'fZM'/Jfi?'7J^oyMcy4sv'730(>y3^r7t;(>ly7/,5o^J7^>t;' Temperature 



Fig. 1. 



VI. 



