DIFFUSION IN SILICATE MELTS 
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10, 
9) 
Gym ENP hey Th ER Lnitial Condition 
ie Final i 48 hrs. 
7A NR ee ce Calculated , k= 00/5 
Fic. 1.—Diffusion experiment No. 27 
| i —.—.— Initial Condition 
Final i YB AIS. 
Calculated ., K= OU 
fi,snl0 20 30 40.50 60 70 80 GOnURWE 
Fic. 2.—Diffusion experiment No. 24 
Afy,l0 20 3 ¥0 50 60 70 80 LDR: 
28) 
