450 



Element 



Ruthenium 



RADIOISOTOPES IN BIOLOGY AND AGRICULTURE 



Cat. No. 



Ru-97-I 



Specific Ac- 

 tivity, mc/g 



0.035 



Samarium 



Sodium 



Strontium 



Sulfur 



Tantalum 

 Technetium 



Ru-103-P > 5,000 

 RuRh-106-P > 5,000 



Sm- 153-1 



1,900 



Na-22-P-l 

 Na-22-P-2 



Na-24-I 

 Na-24-P 

 Sr-89-I 



Sr-89-P 



SrY-90-P 



S-35-I 



S-35-P-1 



S-35-P-2 



S-35-P-3 



Ta- 182-1 



Ta-182-P 



Tc-99-I 



Tc-99-P 



> 1,000 

 >2 



210 



> 1,000 

 0.12 



CF 



CF 



0.52 

 CF 



> 10,000 



> 1,000 

 140 



>500 

 CF 



20 



■SlO/mc 

 $10/mc Ruio6 



$15/50 mc 



^''^^ Radiochemical 



Contaminants 

 $60/0.56 mc 160 mc Rh"5 (36.5 hr) 



53mcRui«3(39_8(jays) 

 53 mc Rhi»3« (57 ^^^^ 



0.04 mc Tc 5 ^'« daughter 



(90 days) 

 <10% Ruioe.Rhioe 



(1.0 yr, 30 sec) 

 <10% Ru"3 (39.8 



days) 



Rhi»6 daughter (30 sec) 

 0.06 mc Eui55 (17 yj.) 



0.004 mc Smi^s (,-^410 



days) 



Trace Pm^^s (^30 yj-) 



Trace Sm'" (73 yr) 



Trace Ca« (152 days) 



45 mc Agiio daughter 



(24.2 sec) 

 Trace C'^ (5568 yr) 



670 mc Pdio^ (13.6 hr) 



670 mc Agios'" (39.2 



sec) 

 Trace Pdios (17 days) 

 Trace Rh^^m (57 unn) 



$200/mc 

 $50/mc 

 $15/55 mc 

 $2/mc 

 $45/1.6 mc 



$2/mc 



$l/mc Sr^" 



Trace K^^ (12.44 hr) 



Trace Sr^s (65 days) 

 Trace C" (5568 yr) 

 <10% Sr^o-Y^" (19.9 



yr, 2.54 days) 

 >10% Sr^s (53 days) 

 Y^o daughter (2.54 



days) 

 Trace P32 (I4.3 days) 

 <0.1%P32 (14.3 days) 



$45/13 mc 



$2/mc 



$4/mc 



$5/mc 



$45/57 mc 



$2/mc 



$45/0.0003 mc 10 mc Mo^s (2.85 days) 



0.009 mc MqSs (2 yr) 

 $20/mg ^ ' 



