Stable isotope ⁷⁷Se with enrichment up to 79.20 at.%, chemical purity > 99.90%, chemical form: metal. Applications: NMR spectroscopy (⁷⁷Se nucleus), tracer. Every lot comes with a passport stating its isotopic and chemical composition.
| Isotope | ⁷⁷Se |
| Element | Selenium (Se) |
| Atomic number (Z) | 34 |
| Mass number (A) | 77 |
| Enrichment, at.% | 79.20 |
| Chemical purity | > 99.90% |
| Chemical form | metal |
| Documents | lot passport with isotopic and chemical composition |
| Supply | Russia, CIS, export (subject to export control) |
NMR spectroscopy (⁷⁷Se nucleus), tracer.
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.