1.0 



0.9 



0.8 



0.7 



0.6 



0.5 



0.4 



RUN 3 t (AVERAGE TIME) = 243 MINUTES 

 N = 1.00 NORMAL 

 k = 7.61 x 10" 4 CMVMINUTE 



C6 

 O 

 Z 0.3 



0.2 



0.1 



°f 



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 5. Run three — diffusion profile at 243 minutes. 



13 



