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Neutron Activation Analytical Determination of Small Amounts of Neptunium-237 in Solutions Containing Uranium, Plutonium, and Fission Products

1978; Taylor & Francis; Volume: 37; Issue: 1 Linguagem: Inglês

10.13182/nt78-a32094

1943-7471

H. Rüf, Margarete Friedrich,

Radioactive element chemistry and processing

Submicrogram amounts of 237Np in process solutions of the Karlsruhe MILLI plant were determined by neutron activation analysis after chemical separation from nuclear fuel elements and fission products by extraction with thenoyltrifluoroacetone. Chemical yield controls were established by adding and measuring of 239Np spike activity.