Published December 1977 | Version v1
Report Open

Experimental methods for burn-up determination in nuclear fuels, 1

Creators

Description

A method is presented that allows the calculation of the total percentage of atoms having undergone fission ('burn up') in nuclear fuels, from the measurement of absolute amounts of fission product neodymium-148 and of uranium and plutoniun present in the spent fuel, the fission yield of neodymium-148 being known. These measurements are performed through the mass spectrometry- isotope dilution technique

Availability note (English)

MF available from INIS under the Report Number.

Abstract (Portuguese)

Apresenta-se um metodo que permite o calculo, da percentagem total, de atomos fissionados ('burn up ') em combustiveis nucleares, a partir das medidas das quantidades absolutas do produto de fissao neodimio-148 e de uranio e plutonio presentes no combustivel apos a irradiacao, conhecidos os rendimentos de fissao do neodimio-148. A realizacao dessas medidas e feita utilizando-se a tecnica espectrometria de massa-diluicao isotopica

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Additional details

Additional titles

Subtitle (English)
Neodymium - 148 method
Original title (Portuguese)
Metodos experimentais para a dterminacao de burn-up em combustiveis nucleares, 1
Original subtitle (Portuguese)
Metodo do neodimio-148.

Publishing Information

Imprint Pagination
22 p.
Journal Issue
no. 495
Series
Publicacao IEA.
Report number
IEA--495

INIS

Country of Publication
Brazil
Country of Input or Organization
Brazil
INIS RN
9414124
Subject category
S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS;
Descriptors DEI
BURNUP; CALIBRATION STANDARDS; ISOTOPE DILUTION; MASS SPECTROSCOPY; NEODYMIUM 148; NUCLEAR FUELS; PLUTONIUM; QUANTITATIVE CHEMICAL ANALYSIS; SPENT FUEL ELEMENTS; URANIUM
Descriptors DEC
ACTINIDES; CHEMICAL ANALYSIS; ELEMENTS; ENERGY SOURCES; EVEN-EVEN NUCLEI; FUEL ELEMENTS; FUELS; INTERMEDIATE MASS NUCLEI; ISOTOPE APPLICATIONS; ISOTOPES; METALS; NEODYMIUM ISOTOPES; NUCLEI; RARE EARTH NUCLEI; REACTOR COMPONENTS; REACTOR MATERIALS; SPECTROSCOPY; STABLE ISOTOPES; TRACER TECHNIQUES; TRANSURANIUM ELEMENTS