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Separation of no-carrier-added 66,67Ga produced in heavy ion-induced cobalt target using alginate biopolymers.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine (2007-05-29)
Dalia Nayak, Anupam Banerjee, Susanta Lahiri
RESUMEN

Heavy ion activation of natural cobalt foil with 84MeV (12)C results in the formation of no-carrier-added (nca) (66,67)As radionuclides, along with their corresponding decay products, (66,67)Ge and (66,67)Ga, in the matrix. Because arsenic and germanium radionuclides are short-lived, after a cooling period of 10h only nca gallium radionuclides remain in the matrix. We attempted to separate the nca gallium radionuclides from the target matrix cobalt by biopolymeric calcium alginate (CA) and Fe-doped calcium alginate (Fe-CA) beads. A complete separation has been achieved by adsorbing (66,67)Ga and a lesser amount of bulk cobalt at pH 3 on Fe-CA beads, followed by desorbing cobalt from the beads with 0.4M NaNO(2).

MATERIALES
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Cobalt, foil, 100x100mm, thickness 0.25mm, as rolled, 99.9%
Cobalt, foil, 8mm disks, thickness 0.02mm, 99.9%
Cobalt, foil, 4mm disks, thickness 0.005mm, 99.9%
Cobalt, foil, 6mm disks, thickness 0.007mm, 99.9%
Cobalt, foil, 6mm disks, thickness 0.008mm, 99.9%
Cobalt, foil, not light tested, 150x150mm, thickness 0.025mm, 99.9%
Cobalt, foil, 10mm disks, thickness 0.015mm, 99.9%
Cobalt, foil, 6mm disks, thickness 0.0125mm, 99.9%
Cobalt, foil, 50x50mm, thickness 0.5mm, as rolled, 99.99+%
Cobalt, foil, 25mm disks, thickness 0.125mm, annealed, 99.9%
Cobalt, foil, 4mm disks, thickness 0.009mm, 99.9%
Cobalt, foil, not light tested, 150x150mm, thickness 0.01mm, 99.9%
Cobalt, foil, 6mm disks, thickness 0.003mm, 99.9%
Cobalt, foil, 8mm disks, thickness 0.006mm, 99.9%
Cobalt, foil, not light tested, 100x100mm, thickness 0.02mm, 99.9%
Cobalt, foil, 100x100mm, thickness 1.0mm, as rolled, 99.9%
Cobalt, foil, 50x50mm, thickness 0.25mm, as rolled, 99.99+%
Cobalt, foil, 6mm disks, thickness 0.004mm, 99.9%
Cobalt, foil, 6mm disks, thickness 0.005mm, 99.9%
Cobalt, foil, 8mm disks, thickness 0.01mm, 99.9%
Cobalt, foil, 8mm disks, thickness 0.05mm, as rolled, 99.99+%
Cobalt, foil, 10mm disks, thickness 0.003mm, 99.9%
Cobalt, foil, 10mm disks, thickness 0.004mm, 99.9%
Cobalt, foil, 15mm disks, thickness 0.004mm, 99.9%
Cobalt, foil, 15mm disks, thickness 0.05mm, annealed, 99.9%
Cobalt, foil, 4mm disks, thickness 0.003mm, 99.9%
Cobalt, foil, 4mm disks, thickness 0.008mm, 99.9%
Cobalt, foil, 4mm disks, thickness 0.015mm, 99.9%
Cobalt, foil, 4mm disks, thickness 0.05mm, as rolled, 99.99+%
Cobalt, foil, 6mm disks, thickness 0.006mm, 99.9%