Stable isotope ¹³⁸La with enrichment up to 11.00 at.%, chemical purity > 99.40%, chemical form: oxide. Applications: primordial long-lived radionuclide: lanthanum–cerium and lanthanum–barium dating. Every lot comes with a passport stating its isotopic and chemical composition.
| Isotope | ¹³⁸La |
| Element | Lanthanum (La) |
| Atomic number (Z) | 57 |
| Mass number (A) | 138 |
| Enrichment, at.% | 11.00 |
| Chemical purity | > 99.40% |
| Chemical form | oxide |
| Documents | lot passport with isotopic and chemical composition |
| Supply | Russia, CIS, export (subject to export control) |
Primordial long-lived radionuclide: lanthanum–cerium and lanthanum–barium dating.
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.