448 



Element 



Chromium 

 Cobalt 



Copper 

 Europium 



Fission 



products 

 Gallium 

 Gold 



Hafnium 



Hydrogen 



Indium 



Iodine 



RADIOISOTOPES IN BIOLOGY AND AGRICULTURE 



Iridium 

 Iron 



Cat. No. 



C1-36-P 



Cr-51-I 



Cr-51-P 



Co-57-P 



Co-58-P 



Co-60-I 



Co-60-P 



Cu-64-I 



Eu-152-154-1 



FP-P-1 



Ga-72-I 

 Au- 198-1 

 Au- 199-1 



Hf-181-I 



H-3-P 



In-114-I 



In-lU-P 



I-129-P 



I-131-I 



I-131-P 



Ir-192-P 

 Ir- 194-1 

 Fe-55-59-I 



Fe-55-59-P 



Fe-55-P 



Fe-59-P 



Specific Ac- 

 tivity, mc/g 



>0.1 

 39 

 >100 

 CF 

 CF 

 47 

 >500 

 340 



280 Eui52 

 23 Eui" 



150 



3,300 



8.8 



55 



CF 



57 

 >15 

 ~0.2 



CF 



CF 



> 1,000 

 3,300 

 0.4 (Fe") 

 0.15 (Fe59) 



>1 



>500 



>500 



Cost 



$1000/mc 

 $45/78 mc 

 $l/mc 

 $25/mc 

 $20/mc 

 $45/100 mc 

 $2/mc 

 $15/220 mc 



$75/62 mc 

 Eui52 plus 



5.1 mc Eui54 

 $l/mc 



$25/46 mc 

 $15/1300 mc 

 $20/13 mc 



$70/42 mc 

 $.10/mc 

 $45/17 mc 

 $5/mc 

 $100/mg 

 $45/130 mc 



Radiochemical 

 Contaminants 



32 mc P32 (14.3 days) 



Trace Ag"o- (270 days) 

 Trace Ag"" (24.2 sec) 

 Trace Eui^s (1.7 yj.) 



Trace Eui56 (15.4 days) 



$.75/mc 



$l/mc 

 $15/140 mc 

 $45/13 mcFe" 

 plus 5 mc Fe" 

 $35/mc Fe59 

 $50/mc Fe" 

 $50/mc Fe^s 



Trace Au 19^3. 15 days) 

 30mcPt"3« (4.33 days) 

 3.8 mc Pti" (18 hr) 

 Trace Pt"^'" (3.5 days) 

 23 mc Hfi" (70 days) 



130 mc Tei26m (58 



days) 

 15 mc Tei2i'« (154 



days) 

 15 mc Tei2i (17 days) 

 8.5 mc Tei23m (104 



days) 

 5.2 mc Tel"'" (30 hr) 



5.2 mc Te"i (24.8 min) 

 4 mc Teles'" (33.5 days) 

 4 mc Te'29 (72 min) 

 3.9 mc Tei27™ (115 



days) 

 3.9 mc Tel" (9.3 hr) 



1.3 mc Xei3i« daughter 

 (12 days) 



Xei3i« daughter (12 

 days) 



31mclrisn74.37days) 



<10%Fe5M45.1days) 

 <10% Fe" (2.94 yr) 



