RUN 4 t (AVERAGE TIME) = 1330 MINUTES 

 N = 1.00 NORMAL 

 k = 7.61 x 10- 4 CMVMINUTE 



1.0 



0.9 



0.8 



0.7 



~ 0.6 



J 

 < 



OS 0.5 



o 

 z 



Q 

 H 



a o.4 



< 



OS 



o 



Z 0.3 



0.2 



0.1 

































































































































J 















0.1 0.2 0.3 0.4 0.5 0.6 



VERTICAL DISTRIBUTION OF CONCENTRATION 

 (RATIO OF DISTANCE FROM SURFACE TO THICKNESS 

 OF COMBINED LAYERS - z/l) 



0.7 



Figure 6. Run four — diffusion profile at 1330 minutes. 



14 



