38 



Dr. T. Godlew'ski on Actinium 

 Table I. 



AcX. 



Actinium. 



t in days. 



Activity. 



t in clays. 

 01 



Activity. 



0-25 



87-5 



5-25 



0-9 



100 



0-7 



922 



1-9 



92-6 



1-7 



16-7 



30 



86-0 



27 



24-0 



4-0 



81-5 



3-7 



29-6 



5-9 



726 



5-7 



39-8 



6-9 



70-7 



6-7 . 



48-0 



8-9 



59-2 



8-7 



52-5 



9-9 



54-5 



97 



56-5 



10-9 



50-8 



10-7 



614 



129 



43-6 



12-7 



62-5 



139 



412 



13-7 



686 



14-9 



40-5 



15-8 



76-2 



15-9 



36-2 



17-0 



78-0 



171 



354 



20-7 



82-3 



179 



34-0 



22-7 



85-7 



21-0 



26-5 



25-0 



88-6 



22-9 



244 



27-0 



90-0 



24-9 



21-8 



30-8 



92-3 



27-2 



18-5 



36-5 



971 



292 



17-6 



45-0 



995 



30-9 



161 



520 



990 



340 



135 



640 



100 



360 



12-1 



67-0 



100 



42-0 



8-82 







45-0 



7-77 







52-0 



5-89 







59-0 



463 







67-0 



369 







(00 



60 



£ 40 



20 



Fig. 1. 







^S^ 











/ 











/ 



\ 











1 





x£ 









1 













20 30 



TiME IN DAVS. 



40 



50 



60 



