10 50 too 150 200 



MICROCURIES OF STRONTIUM -90 PER LITER OF MEDIA 



10 50 100 150 

 MICROCURIES OF STRONTIUM- 



200 

 90 PER LITER OF MEDIA 



Figure 1. Uptake of radioactive strontium 

 in relation to its concentration in the medium 

 by G. simplex after 48 hours exposure. Single 

 determinations plotted. 



Figure 2. Uptake of radioactive strontium 

 lo relation to Its concentration in the medium 

 by culture 4000 A after 48 hours exposure. 

 Single determinations plotted. 



10 50 100 150 200 



MICROCURIES OF STRONTIUM -90 PER LITER OF MEDIA 



10 50 100 150 200 



MICROCURIES OF STRONTIUM -90 PER LITER OF MEDIA 



Figure 3. Uptake of radioactive strontium 

 in relation to its concentration in the medium 

 by culture 35 A after 48 hours exposure. 

 Single determinations plotted. 



Figure 4. Uptake of radioactive strontium 

 In relation to its concentration in the medium 

 by culture 10 G.C. after 48 hours exposure. 

 Single determinations plotted. 



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