Selling isotope copper powder 63 Cu, 65 Cu from Switzerland

We are selling isotope copper powder 63 Cu 69,1% ± 0,05% and 65 Cu 30,9% ± 0,05%.
Quality: Copper powder no less than 99,9996 %.
Quantity: 3 tons
Storage: Zurich (Switzerland).
Delivery: EXW (Zurich, Switzerland).