Determination of 94Nb in radioactive wastes using extraction chromatography and gamma spectrometry

Temba, Eliane S. C.; Kastner, Geraldo Frederico; Reis, Aluísio S.; Monteiro, Roberto Pellacani Guedes; Moreira, Rubens Martins

doi:10.1007/s10967-017-5179-0

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Methodology For 94 Nb Determination1

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“…The procedure involves extraction chromatography by using TEVA resin to isolate the Nb nuclide and the gamma spectrometry to its measurement by using a gamma spectrometer with hyper-pure germanium detector. Samples of evaporator concentrate and spent resin were analyzed [17].…”

Section: Methodology For 94 Nb Determinationmentioning

confidence: 99%

Radiochemical Methodologies Applied to Analytical Characterization of Low and Intermediate Level Wastes from Nuclear Power Plants

Monteiro¹,

Reis

Kastner

et al. 2019

Braz. J. Rad. Sci.

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The aim of this work is to present radiochemical methodologies developed at CDTN/CNEN in order to answer a program for isotopic inventory of radioactive wastes from Brazilian Nuclear Power Plants. In this program some radionuclides, 3H, 14C, 55Fe, 59Ni, 63Ni, 90Sr, 93Zr, 94Nb, 99Tc, 129I, 235U, 238U, 238Pu, 239+240Pu, 241Pu, 242Pu, 241Am, 242Cm e 243+244Cm, were determined in Low Level Wastes (LLW) and Intermediate Level Wastes (ILW) and a protocol of analytical methodologies based on radiochemical separation steps and spectrometric and nuclear techniques was stablished.

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Section: Methodology For 94 Nb Determinationmentioning

confidence: 99%