569 



Specific Surface-Energy 

 in Erg pro cm'-'. 



2S0 

 24ff 

 230 



220 

 270 



ioo 



190 



/so 



i!0 



i60 



tso 



fSO 

 /20 

 fW 



too 

 90 



Ó0\ 



70U' 7^0° 600' S30' yoo' uio'h\vyi'M'/roo'7/sü'f^'a'yi'30'/joi^/j.k'';u\'fi.'io'7.:iiio/jr> Temperature 



Fig. 2. 



Specific Surface-Energy 

 in Erg. pro cm2. 



' I i — ■ — — — ——' — _ , 



600° 630' 700' /jo'éoo" s5o'9oo' 9.10' wW /05o'Mo'mo'/2co' ' cmperaiui e 



Fig. 3. 



