| Themes > Science > Physics > Atomic Physics > Atomic Theory & Ions & Isotopes > Radioisotopes Produced at Los Alamos > Selenium-72 | |
Half Life |
8.5 days by electron capture to As-72 |
| Major Radiation | Gamma - 46.0 keV arsenic-72 activity |
Form |
Selenium (VI) in 1 M HCl |
| Activity | Concentration: > 1 mCi/ml Theoretical Sp. Act: 2.124E5 Ci/g Se |
Chemcial Impurities |
< 1,000 ppm Carrier may be added: inquire |
Radiopurity |
> 99.9% excluding 120 day Se-75 |
Source |
Spallation by protons in natural rubidium bromide targets at the IPF station |
Processing |
Dissolution, precipitation, filtration, redissolution |
Assay Methods |
Gamma assay |
Availability |
Limited; by request during accelerator operation cycle |
Units of Sale |
Millicuries of selenium-72 |
Company Name |
Los Alamos National Laboratory |
| Contact Person | Isotope Sales 505-667-4675 isotopes@lanl.gov |
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