Stable isotope ²⁰³Tl with enrichment up to 98.25 at.%, chemical purity > 99.99%, chemical form: oxide, metal. Applications: target for thallium-201 production (myocardial perfusion imaging) and thallium-204 (beta sources for thickness gauges). Every lot comes with a passport stating its isotopic and chemical composition.
| Isotope | ²⁰³Tl |
| Element | Thallium (Tl) |
| Atomic number (Z) | 81 |
| Mass number (A) | 203 |
| Enrichment, at.% | 98.25 |
| Chemical purity | > 99.99% |
| Chemical form | oxide, metal |
| Documents | lot passport with isotopic and chemical composition |
| Supply | Russia, CIS, export (subject to export control) |
Target for thallium-201 production (myocardial perfusion imaging) and thallium-204 (beta sources for thickness gauges).
Enrichment and chemical purity are given according to the producer’s specification; the exact composition of a lot is stated in its passport. Availability, packaging and price on request. Export of isotope products is subject to export control requirements.