| Radioisotope | W-188 |
| Half-Life/Daughter | 69.78 days to rhenium-188 |
| Chemical Form | W-188 as tungstic acid absorbed in alumina in glass column; Re-188 eluted as sodium perrhenate with saline solution |
| Radionuclidic Purity | 75-85% Re-188 |
| Production Route | Double neutron capture on enriched tungsten-186 metal targets |
| Processing | Target dissolved in excess sodium hydroxide and hydrogen peroxide |
| Primary Container | Generator is housed in a one inch lead pig with inlet/outlet holes |
| Availability | Special order; 10-12 weeks advanced notice requested |
| Unit of Sale | 10 millicuries–3 curies |
